Home / 7,415.39-10,233.28-4,185.23

Finding the Fourth Proportional to 7,415.39, 10,233.28 and 4,185.23

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Solution

The fourth proportional to 7,415.39, 10,233.28 and 4,185.23 is: 5,775.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.39 : 10,233.28 = 4,185.23 : x
  2. Step 2: Convert to fraction form
    7,415.39/10,233.28 = 4,185.23/x
  3. Step 3: Cross multiply
    7,415.39x = 10,233.28 × 4,185.23
  4. Step 4: Simplify right side
    7,415.39x = 42,828,609.53
  5. Step 5: Solve for x
    x = 42,828,609.53/7,415.39
  6. Step 6: Final answer
    x = 5,775.64

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Half scale
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Double scale
Find fourth proportional to 7,416.39, 10,234.66 and 4,186.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.