Home / 8,492.02-12,715.14-4,788.70

Finding the Fourth Proportional to 8,492.02, 12,715.14 and 4,788.70

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Solution

The fourth proportional to 8,492.02, 12,715.14 and 4,788.70 is: 7,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492.02 : 12,715.14 = 4,788.70 : x
  2. Step 2: Convert to fraction form
    8,492.02/12,715.14 = 4,788.70/x
  3. Step 3: Cross multiply
    8,492.02x = 12,715.14 × 4,788.70
  4. Step 4: Simplify right side
    8,492.02x = 60,888,990.92
  5. Step 5: Solve for x
    x = 60,888,990.92/8,492.02
  6. Step 6: Final answer
    x = 7,170.14

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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.