Home / 7,530.12-10,391.64-4,388.12

Finding the Fourth Proportional to 7,530.12, 10,391.64 and 4,388.12

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Solution

The fourth proportional to 7,530.12, 10,391.64 and 4,388.12 is: 6,055.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.12 : 10,391.64 = 4,388.12 : x
  2. Step 2: Convert to fraction form
    7,530.12/10,391.64 = 4,388.12/x
  3. Step 3: Cross multiply
    7,530.12x = 10,391.64 × 4,388.12
  4. Step 4: Simplify right side
    7,530.12x = 45,599,763.32
  5. Step 5: Solve for x
    x = 45,599,763.32/7,530.12
  6. Step 6: Final answer
    x = 6,055.65

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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.