Home / 8,763.48-13,140.36-2,918.52

Finding the Fourth Proportional to 8,763.48, 13,140.36 and 2,918.52

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Solution

The fourth proportional to 8,763.48, 13,140.36 and 2,918.52 is: 4,376.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.48 : 13,140.36 = 2,918.52 : x
  2. Step 2: Convert to fraction form
    8,763.48/13,140.36 = 2,918.52/x
  3. Step 3: Cross multiply
    8,763.48x = 13,140.36 × 2,918.52
  4. Step 4: Simplify right side
    8,763.48x = 38,350,403.47
  5. Step 5: Solve for x
    x = 38,350,403.47/8,763.48
  6. Step 6: Final answer
    x = 4,376.16

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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.