Home / 8,721.48-13,077.36-2,876.52

Finding the Fourth Proportional to 8,721.48, 13,077.36 and 2,876.52

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Solution

The fourth proportional to 8,721.48, 13,077.36 and 2,876.52 is: 4,313.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721.48 : 13,077.36 = 2,876.52 : x
  2. Step 2: Convert to fraction form
    8,721.48/13,077.36 = 2,876.52/x
  3. Step 3: Cross multiply
    8,721.48x = 13,077.36 × 2,876.52
  4. Step 4: Simplify right side
    8,721.48x = 37,617,287.59
  5. Step 5: Solve for x
    x = 37,617,287.59/8,721.48
  6. Step 6: Final answer
    x = 4,313.18

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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.