Home / 8,558.04-12,838.92-2,715.12

Finding the Fourth Proportional to 8,558.04, 12,838.92 and 2,715.12

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Solution

The fourth proportional to 8,558.04, 12,838.92 and 2,715.12 is: 4,073.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.04 : 12,838.92 = 2,715.12 : x
  2. Step 2: Convert to fraction form
    8,558.04/12,838.92 = 2,715.12/x
  3. Step 3: Cross multiply
    8,558.04x = 12,838.92 × 2,715.12
  4. Step 4: Simplify right side
    8,558.04x = 34,859,208.47
  5. Step 5: Solve for x
    x = 34,859,208.47/8,558.04
  6. Step 6: Final answer
    x = 4,073.27

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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.