Home / 7,780.77-10,737.22-4,423.95

Finding the Fourth Proportional to 7,780.77, 10,737.22 and 4,423.95

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Solution

The fourth proportional to 7,780.77, 10,737.22 and 4,423.95 is: 6,104.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.77 : 10,737.22 = 4,423.95 : x
  2. Step 2: Convert to fraction form
    7,780.77/10,737.22 = 4,423.95/x
  3. Step 3: Cross multiply
    7,780.77x = 10,737.22 × 4,423.95
  4. Step 4: Simplify right side
    7,780.77x = 47,500,924.42
  5. Step 5: Solve for x
    x = 47,500,924.42/7,780.77
  6. Step 6: Final answer
    x = 6,104.91

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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.