Home / 8,715.14-12,026.10-4,938.62

Finding the Fourth Proportional to 8,715.14, 12,026.10 and 4,938.62

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Solution

The fourth proportional to 8,715.14, 12,026.10 and 4,938.62 is: 6,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.14 : 12,026.10 = 4,938.62 : x
  2. Step 2: Convert to fraction form
    8,715.14/12,026.10 = 4,938.62/x
  3. Step 3: Cross multiply
    8,715.14x = 12,026.10 × 4,938.62
  4. Step 4: Simplify right side
    8,715.14x = 59,392,337.98
  5. Step 5: Solve for x
    x = 59,392,337.98/8,715.14
  6. Step 6: Final answer
    x = 6,814.85

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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.