Home / 7,851.74-10,834.17-4,493.78

Finding the Fourth Proportional to 7,851.74, 10,834.17 and 4,493.78

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Solution

The fourth proportional to 7,851.74, 10,834.17 and 4,493.78 is: 6,200.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.74 : 10,834.17 = 4,493.78 : x
  2. Step 2: Convert to fraction form
    7,851.74/10,834.17 = 4,493.78/x
  3. Step 3: Cross multiply
    7,851.74x = 10,834.17 × 4,493.78
  4. Step 4: Simplify right side
    7,851.74x = 48,686,376.46
  5. Step 5: Solve for x
    x = 48,686,376.46/7,851.74
  6. Step 6: Final answer
    x = 6,200.71

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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.