Home / 7,424.62-10,247.10-4,237.90

Finding the Fourth Proportional to 7,424.62, 10,247.10 and 4,237.90

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Solution

The fourth proportional to 7,424.62, 10,247.10 and 4,237.90 is: 5,848.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.62 : 10,247.10 = 4,237.90 : x
  2. Step 2: Convert to fraction form
    7,424.62/10,247.10 = 4,237.90/x
  3. Step 3: Cross multiply
    7,424.62x = 10,247.10 × 4,237.90
  4. Step 4: Simplify right side
    7,424.62x = 43,426,185.09
  5. Step 5: Solve for x
    x = 43,426,185.09/7,424.62
  6. Step 6: Final answer
    x = 5,848.94

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Double scale
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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.