Home / 3,966.16-5,475.96-3,545.16

Finding the Fourth Proportional to 3,966.16, 5,475.96 and 3,545.16

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Solution

The fourth proportional to 3,966.16, 5,475.96 and 3,545.16 is: 4,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.16 : 5,475.96 = 3,545.16 : x
  2. Step 2: Convert to fraction form
    3,966.16/5,475.96 = 3,545.16/x
  3. Step 3: Cross multiply
    3,966.16x = 5,475.96 × 3,545.16
  4. Step 4: Simplify right side
    3,966.16x = 19,413,154.35
  5. Step 5: Solve for x
    x = 19,413,154.35/3,966.16
  6. Step 6: Final answer
    x = 4,894.70

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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.