Home / 6,280.19-8,666.69-3,923.70

Finding the Fourth Proportional to 6,280.19, 8,666.69 and 3,923.70

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Solution

The fourth proportional to 6,280.19, 8,666.69 and 3,923.70 is: 5,414.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.19 : 8,666.69 = 3,923.70 : x
  2. Step 2: Convert to fraction form
    6,280.19/8,666.69 = 3,923.70/x
  3. Step 3: Cross multiply
    6,280.19x = 8,666.69 × 3,923.70
  4. Step 4: Simplify right side
    6,280.19x = 34,005,491.55
  5. Step 5: Solve for x
    x = 34,005,491.55/6,280.19
  6. Step 6: Final answer
    x = 5,414.72

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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.