Home / 8,720.17-12,033.80-4,741.45

Finding the Fourth Proportional to 8,720.17, 12,033.80 and 4,741.45

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Solution

The fourth proportional to 8,720.17, 12,033.80 and 4,741.45 is: 6,543.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.17 : 12,033.80 = 4,741.45 : x
  2. Step 2: Convert to fraction form
    8,720.17/12,033.80 = 4,741.45/x
  3. Step 3: Cross multiply
    8,720.17x = 12,033.80 × 4,741.45
  4. Step 4: Simplify right side
    8,720.17x = 57,057,625.00
  5. Step 5: Solve for x
    x = 57,057,625.00/8,720.17
  6. Step 6: Final answer
    x = 6,543.18

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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.