Home / 8,756.13-12,083.40-4,777.47

Finding the Fourth Proportional to 8,756.13, 12,083.40 and 4,777.47

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Solution

The fourth proportional to 8,756.13, 12,083.40 and 4,777.47 is: 6,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.13 : 12,083.40 = 4,777.47 : x
  2. Step 2: Convert to fraction form
    8,756.13/12,083.40 = 4,777.47/x
  3. Step 3: Cross multiply
    8,756.13x = 12,083.40 × 4,777.47
  4. Step 4: Simplify right side
    8,756.13x = 57,728,081.00
  5. Step 5: Solve for x
    x = 57,728,081.00/8,756.13
  6. Step 6: Final answer
    x = 6,592.88

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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.