Home / 8,979.34-13,454.16-4,590.76

Finding the Fourth Proportional to 8,979.34, 13,454.16 and 4,590.76

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Solution

The fourth proportional to 8,979.34, 13,454.16 and 4,590.76 is: 6,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.34 : 13,454.16 = 4,590.76 : x
  2. Step 2: Convert to fraction form
    8,979.34/13,454.16 = 4,590.76/x
  3. Step 3: Cross multiply
    8,979.34x = 13,454.16 × 4,590.76
  4. Step 4: Simplify right side
    8,979.34x = 61,764,819.56
  5. Step 5: Solve for x
    x = 61,764,819.56/8,979.34
  6. Step 6: Final answer
    x = 6,878.55

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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.