Home / 8,941.79-12,340.00-5,402.95

Finding the Fourth Proportional to 8,941.79, 12,340.00 and 5,402.95

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Solution

The fourth proportional to 8,941.79, 12,340.00 and 5,402.95 is: 7,456.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.79 : 12,340.00 = 5,402.95 : x
  2. Step 2: Convert to fraction form
    8,941.79/12,340.00 = 5,402.95/x
  3. Step 3: Cross multiply
    8,941.79x = 12,340.00 × 5,402.95
  4. Step 4: Simplify right side
    8,941.79x = 66,672,417.92
  5. Step 5: Solve for x
    x = 66,672,417.92/8,941.79
  6. Step 6: Final answer
    x = 7,456.27

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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.