Home / 8,941.30-12,338.31-5,162.74

Finding the Fourth Proportional to 8,941.30, 12,338.31 and 5,162.74

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Solution

The fourth proportional to 8,941.30, 12,338.31 and 5,162.74 is: 7,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.30 : 12,338.31 = 5,162.74 : x
  2. Step 2: Convert to fraction form
    8,941.30/12,338.31 = 5,162.74/x
  3. Step 3: Cross multiply
    8,941.30x = 12,338.31 × 5,162.74
  4. Step 4: Simplify right side
    8,941.30x = 63,699,486.57
  5. Step 5: Solve for x
    x = 63,699,486.57/8,941.30
  6. Step 6: Final answer
    x = 7,124.19

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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.