Home / 8,214.60-11,337.32-4,678.14

Finding the Fourth Proportional to 8,214.60, 11,337.32 and 4,678.14

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Solution

The fourth proportional to 8,214.60, 11,337.32 and 4,678.14 is: 6,456.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.60 : 11,337.32 = 4,678.14 : x
  2. Step 2: Convert to fraction form
    8,214.60/11,337.32 = 4,678.14/x
  3. Step 3: Cross multiply
    8,214.60x = 11,337.32 × 4,678.14
  4. Step 4: Simplify right side
    8,214.60x = 53,037,581.88
  5. Step 5: Solve for x
    x = 53,037,581.88/8,214.60
  6. Step 6: Final answer
    x = 6,456.50

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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.