Home / 4,277.10-6,407.28-3,812.70

Finding the Fourth Proportional to 4,277.10, 6,407.28 and 3,812.70

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Solution

The fourth proportional to 4,277.10, 6,407.28 and 3,812.70 is: 5,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.10 : 6,407.28 = 3,812.70 : x
  2. Step 2: Convert to fraction form
    4,277.10/6,407.28 = 3,812.70/x
  3. Step 3: Cross multiply
    4,277.10x = 6,407.28 × 3,812.70
  4. Step 4: Simplify right side
    4,277.10x = 24,429,036.46
  5. Step 5: Solve for x
    x = 24,429,036.46/4,277.10
  6. Step 6: Final answer
    x = 5,711.59

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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.