Home / 8,723.66-13,080.29-5,915.95

Finding the Fourth Proportional to 8,723.66, 13,080.29 and 5,915.95

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Solution

The fourth proportional to 8,723.66, 13,080.29 and 5,915.95 is: 8,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.66 : 13,080.29 = 5,915.95 : x
  2. Step 2: Convert to fraction form
    8,723.66/13,080.29 = 5,915.95/x
  3. Step 3: Cross multiply
    8,723.66x = 13,080.29 × 5,915.95
  4. Step 4: Simplify right side
    8,723.66x = 77,382,341.63
  5. Step 5: Solve for x
    x = 77,382,341.63/8,723.66
  6. Step 6: Final answer
    x = 8,870.40

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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.