Home / 5,902.88-8,145.98-3,545.04

Finding the Fourth Proportional to 5,902.88, 8,145.98 and 3,545.04

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Solution

The fourth proportional to 5,902.88, 8,145.98 and 3,545.04 is: 4,892.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,902.88 : 8,145.98 = 3,545.04 : x
  2. Step 2: Convert to fraction form
    5,902.88/8,145.98 = 3,545.04/x
  3. Step 3: Cross multiply
    5,902.88x = 8,145.98 × 3,545.04
  4. Step 4: Simplify right side
    5,902.88x = 28,877,807.21
  5. Step 5: Solve for x
    x = 28,877,807.21/5,902.88
  6. Step 6: Final answer
    x = 4,892.16

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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.