Home / 7,385.30-10,189.89-4,513.29

Finding the Fourth Proportional to 7,385.30, 10,189.89 and 4,513.29

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Solution

The fourth proportional to 7,385.30, 10,189.89 and 4,513.29 is: 6,227.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.30 : 10,189.89 = 4,513.29 : x
  2. Step 2: Convert to fraction form
    7,385.30/10,189.89 = 4,513.29/x
  3. Step 3: Cross multiply
    7,385.30x = 10,189.89 × 4,513.29
  4. Step 4: Simplify right side
    7,385.30x = 45,989,966.85
  5. Step 5: Solve for x
    x = 45,989,966.85/7,385.30
  6. Step 6: Final answer
    x = 6,227.23

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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.