Home / 8,926.22-12,318-4,947.30

Finding the Fourth Proportional to 8,926.22, 12,318 and 4,947.30

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Solution

The fourth proportional to 8,926.22, 12,318 and 4,947.30 is: 6,827.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.22 : 12,318 = 4,947.30 : x
  2. Step 2: Convert to fraction form
    8,926.22/12,318 = 4,947.30/x
  3. Step 3: Cross multiply
    8,926.22x = 12,318 × 4,947.30
  4. Step 4: Simplify right side
    8,926.22x = 60,940,841.40
  5. Step 5: Solve for x
    x = 60,940,841.40/8,926.22
  6. Step 6: Final answer
    x = 6,827.17

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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.