Home / 9,260.71-12,779.82-5,281.90

Finding the Fourth Proportional to 9,260.71, 12,779.82 and 5,281.90

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Solution

The fourth proportional to 9,260.71, 12,779.82 and 5,281.90 is: 7,289.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.71 : 12,779.82 = 5,281.90 : x
  2. Step 2: Convert to fraction form
    9,260.71/12,779.82 = 5,281.90/x
  3. Step 3: Cross multiply
    9,260.71x = 12,779.82 × 5,281.90
  4. Step 4: Simplify right side
    9,260.71x = 67,501,731.26
  5. Step 5: Solve for x
    x = 67,501,731.26/9,260.71
  6. Step 6: Final answer
    x = 7,289.04

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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.