Home / 7,737.50-10,677.78-4,200.72

Finding the Fourth Proportional to 7,737.50, 10,677.78 and 4,200.72

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Solution

The fourth proportional to 7,737.50, 10,677.78 and 4,200.72 is: 5,797.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737.50 : 10,677.78 = 4,200.72 : x
  2. Step 2: Convert to fraction form
    7,737.50/10,677.78 = 4,200.72/x
  3. Step 3: Cross multiply
    7,737.50x = 10,677.78 × 4,200.72
  4. Step 4: Simplify right side
    7,737.50x = 44,854,364.00
  5. Step 5: Solve for x
    x = 44,854,364.00/7,737.50
  6. Step 6: Final answer
    x = 5,797.01

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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.