Home / 8,925.75-12,312.41-5,566.95

Finding the Fourth Proportional to 8,925.75, 12,312.41 and 5,566.95

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Solution

The fourth proportional to 8,925.75, 12,312.41 and 5,566.95 is: 7,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.75 : 12,312.41 = 5,566.95 : x
  2. Step 2: Convert to fraction form
    8,925.75/12,312.41 = 5,566.95/x
  3. Step 3: Cross multiply
    8,925.75x = 12,312.41 × 5,566.95
  4. Step 4: Simplify right side
    8,925.75x = 68,542,543.01
  5. Step 5: Solve for x
    x = 68,542,543.01/8,925.75
  6. Step 6: Final answer
    x = 7,679.19

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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.