Home / 4,719.46-7,079.17-1,256.71

Finding the Fourth Proportional to 4,719.46, 7,079.17 and 1,256.71

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Solution

The fourth proportional to 4,719.46, 7,079.17 and 1,256.71 is: 1,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.46 : 7,079.17 = 1,256.71 : x
  2. Step 2: Convert to fraction form
    4,719.46/7,079.17 = 1,256.71/x
  3. Step 3: Cross multiply
    4,719.46x = 7,079.17 × 1,256.71
  4. Step 4: Simplify right side
    4,719.46x = 8,896,463.73
  5. Step 5: Solve for x
    x = 8,896,463.73/4,719.46
  6. Step 6: Final answer
    x = 1,885.06

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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.