Home / 8,255.30-12,382.95-4,966.70

Finding the Fourth Proportional to 8,255.30, 12,382.95 and 4,966.70

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Solution

The fourth proportional to 8,255.30, 12,382.95 and 4,966.70 is: 7,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.30 : 12,382.95 = 4,966.70 : x
  2. Step 2: Convert to fraction form
    8,255.30/12,382.95 = 4,966.70/x
  3. Step 3: Cross multiply
    8,255.30x = 12,382.95 × 4,966.70
  4. Step 4: Simplify right side
    8,255.30x = 61,502,397.77
  5. Step 5: Solve for x
    x = 61,502,397.77/8,255.30
  6. Step 6: Final answer
    x = 7,450.05

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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.