Home / 8,726.66-12,041.61-5,188.58

Finding the Fourth Proportional to 8,726.66, 12,041.61 and 5,188.58

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Solution

The fourth proportional to 8,726.66, 12,041.61 and 5,188.58 is: 7,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.66 : 12,041.61 = 5,188.58 : x
  2. Step 2: Convert to fraction form
    8,726.66/12,041.61 = 5,188.58/x
  3. Step 3: Cross multiply
    8,726.66x = 12,041.61 × 5,188.58
  4. Step 4: Simplify right side
    8,726.66x = 62,478,796.61
  5. Step 5: Solve for x
    x = 62,478,796.61/8,726.66
  6. Step 6: Final answer
    x = 7,159.54

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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.