Home / 9,856.06-14,780.90-3,280.48

Finding the Fourth Proportional to 9,856.06, 14,780.90 and 3,280.48

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Solution

The fourth proportional to 9,856.06, 14,780.90 and 3,280.48 is: 4,919.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,856.06 : 14,780.90 = 3,280.48 : x
  2. Step 2: Convert to fraction form
    9,856.06/14,780.90 = 3,280.48/x
  3. Step 3: Cross multiply
    9,856.06x = 14,780.90 × 3,280.48
  4. Step 4: Simplify right side
    9,856.06x = 48,488,446.83
  5. Step 5: Solve for x
    x = 48,488,446.83/9,856.06
  6. Step 6: Final answer
    x = 4,919.66

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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.