Home / 8,917.95-12,307.22-5,141.73

Finding the Fourth Proportional to 8,917.95, 12,307.22 and 5,141.73

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Solution

The fourth proportional to 8,917.95, 12,307.22 and 5,141.73 is: 7,095.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.95 : 12,307.22 = 5,141.73 : x
  2. Step 2: Convert to fraction form
    8,917.95/12,307.22 = 5,141.73/x
  3. Step 3: Cross multiply
    8,917.95x = 12,307.22 × 5,141.73
  4. Step 4: Simplify right side
    8,917.95x = 63,280,376.58
  5. Step 5: Solve for x
    x = 63,280,376.58/8,917.95
  6. Step 6: Final answer
    x = 7,095.84

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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.