Home / 8,402.49-12,605.57-2,558.95

Finding the Fourth Proportional to 8,402.49, 12,605.57 and 2,558.95

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Solution

The fourth proportional to 8,402.49, 12,605.57 and 2,558.95 is: 3,838.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402.49 : 12,605.57 = 2,558.95 : x
  2. Step 2: Convert to fraction form
    8,402.49/12,605.57 = 2,558.95/x
  3. Step 3: Cross multiply
    8,402.49x = 12,605.57 × 2,558.95
  4. Step 4: Simplify right side
    8,402.49x = 32,256,979.04
  5. Step 5: Solve for x
    x = 32,256,979.04/8,402.49
  6. Step 6: Final answer
    x = 3,838.98

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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.