Home / 5,492.10-8,238.15-5,124.90

Finding the Fourth Proportional to 5,492.10, 8,238.15 and 5,124.90

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Solution

The fourth proportional to 5,492.10, 8,238.15 and 5,124.90 is: 7,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.10 : 8,238.15 = 5,124.90 : x
  2. Step 2: Convert to fraction form
    5,492.10/8,238.15 = 5,124.90/x
  3. Step 3: Cross multiply
    5,492.10x = 8,238.15 × 5,124.90
  4. Step 4: Simplify right side
    5,492.10x = 42,219,694.94
  5. Step 5: Solve for x
    x = 42,219,694.94/5,492.10
  6. Step 6: Final answer
    x = 7,687.35

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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.