Home / 9,246.40-12,759.31-5,659.89

Finding the Fourth Proportional to 9,246.40, 12,759.31 and 5,659.89

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Solution

The fourth proportional to 9,246.40, 12,759.31 and 5,659.89 is: 7,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,246.40 : 12,759.31 = 5,659.89 : x
  2. Step 2: Convert to fraction form
    9,246.40/12,759.31 = 5,659.89/x
  3. Step 3: Cross multiply
    9,246.40x = 12,759.31 × 5,659.89
  4. Step 4: Simplify right side
    9,246.40x = 72,216,251.33
  5. Step 5: Solve for x
    x = 72,216,251.33/9,246.40
  6. Step 6: Final answer
    x = 7,810.20

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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.