Home / 7,125.30-10,689.43-3,569.25

Finding the Fourth Proportional to 7,125.30, 10,689.43 and 3,569.25

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Solution

The fourth proportional to 7,125.30, 10,689.43 and 3,569.25 is: 5,354.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.30 : 10,689.43 = 3,569.25 : x
  2. Step 2: Convert to fraction form
    7,125.30/10,689.43 = 3,569.25/x
  3. Step 3: Cross multiply
    7,125.30x = 10,689.43 × 3,569.25
  4. Step 4: Simplify right side
    7,125.30x = 38,153,176.73
  5. Step 5: Solve for x
    x = 38,153,176.73/7,125.30
  6. Step 6: Final answer
    x = 5,354.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.