Home / 9,260.25-12,779.19-5,281.32

Finding the Fourth Proportional to 9,260.25, 12,779.19 and 5,281.32

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Solution

The fourth proportional to 9,260.25, 12,779.19 and 5,281.32 is: 7,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.25 : 12,779.19 = 5,281.32 : x
  2. Step 2: Convert to fraction form
    9,260.25/12,779.19 = 5,281.32/x
  3. Step 3: Cross multiply
    9,260.25x = 12,779.19 × 5,281.32
  4. Step 4: Simplify right side
    9,260.25x = 67,490,991.73
  5. Step 5: Solve for x
    x = 67,490,991.73/9,260.25
  6. Step 6: Final answer
    x = 7,288.25

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Half scale
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Double scale
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Similar ratio
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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.