Home / 5,685.45-8,528.17-3,737.19

Finding the Fourth Proportional to 5,685.45, 8,528.17 and 3,737.19

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Solution

The fourth proportional to 5,685.45, 8,528.17 and 3,737.19 is: 5,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.45 : 8,528.17 = 3,737.19 : x
  2. Step 2: Convert to fraction form
    5,685.45/8,528.17 = 3,737.19/x
  3. Step 3: Cross multiply
    5,685.45x = 8,528.17 × 3,737.19
  4. Step 4: Simplify right side
    5,685.45x = 31,871,391.64
  5. Step 5: Solve for x
    x = 31,871,391.64/5,685.45
  6. Step 6: Final answer
    x = 5,605.78

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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.