Home / 7,737.60-10,677.90-4,200.81

Finding the Fourth Proportional to 7,737.60, 10,677.90 and 4,200.81

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Solution

The fourth proportional to 7,737.60, 10,677.90 and 4,200.81 is: 5,797.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737.60 : 10,677.90 = 4,200.81 : x
  2. Step 2: Convert to fraction form
    7,737.60/10,677.90 = 4,200.81/x
  3. Step 3: Cross multiply
    7,737.60x = 10,677.90 × 4,200.81
  4. Step 4: Simplify right side
    7,737.60x = 44,855,829.10
  5. Step 5: Solve for x
    x = 44,855,829.10/7,737.60
  6. Step 6: Final answer
    x = 5,797.12

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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.