Home / 8,580.48-12,867.56-2,957

Finding the Fourth Proportional to 8,580.48, 12,867.56 and 2,957

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Solution

The fourth proportional to 8,580.48, 12,867.56 and 2,957 is: 4,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.48 : 12,867.56 = 2,957 : x
  2. Step 2: Convert to fraction form
    8,580.48/12,867.56 = 2,957/x
  3. Step 3: Cross multiply
    8,580.48x = 12,867.56 × 2,957
  4. Step 4: Simplify right side
    8,580.48x = 38,049,374.92
  5. Step 5: Solve for x
    x = 38,049,374.92/8,580.48
  6. Step 6: Final answer
    x = 4,434.41

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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.