Home / 7,528.09-10,390.49-5,010.30

Finding the Fourth Proportional to 7,528.09, 10,390.49 and 5,010.30

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Solution

The fourth proportional to 7,528.09, 10,390.49 and 5,010.30 is: 6,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.09 : 10,390.49 = 5,010.30 : x
  2. Step 2: Convert to fraction form
    7,528.09/10,390.49 = 5,010.30/x
  3. Step 3: Cross multiply
    7,528.09x = 10,390.49 × 5,010.30
  4. Step 4: Simplify right side
    7,528.09x = 52,059,472.05
  5. Step 5: Solve for x
    x = 52,059,472.05/7,528.09
  6. Step 6: Final answer
    x = 6,915.36

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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.