Home / 8,726.47-13,089.54-2,486.53

Finding the Fourth Proportional to 8,726.47, 13,089.54 and 2,486.53

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Solution

The fourth proportional to 8,726.47, 13,089.54 and 2,486.53 is: 3,729.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.47 : 13,089.54 = 2,486.53 : x
  2. Step 2: Convert to fraction form
    8,726.47/13,089.54 = 2,486.53/x
  3. Step 3: Cross multiply
    8,726.47x = 13,089.54 × 2,486.53
  4. Step 4: Simplify right side
    8,726.47x = 32,547,533.90
  5. Step 5: Solve for x
    x = 32,547,533.90/8,726.47
  6. Step 6: Final answer
    x = 3,729.75

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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.