Home / 9,260.06-12,778.11-5,281.10

Finding the Fourth Proportional to 9,260.06, 12,778.11 and 5,281.10

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Solution

The fourth proportional to 9,260.06, 12,778.11 and 5,281.10 is: 7,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.06 : 12,778.11 = 5,281.10 : x
  2. Step 2: Convert to fraction form
    9,260.06/12,778.11 = 5,281.10/x
  3. Step 3: Cross multiply
    9,260.06x = 12,778.11 × 5,281.10
  4. Step 4: Simplify right side
    9,260.06x = 67,482,476.72
  5. Step 5: Solve for x
    x = 67,482,476.72/9,260.06
  6. Step 6: Final answer
    x = 7,287.48

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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.