Home / 8,708.20-13,053.72-5,579.32

Finding the Fourth Proportional to 8,708.20, 13,053.72 and 5,579.32

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Solution

The fourth proportional to 8,708.20, 13,053.72 and 5,579.32 is: 8,363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.20 : 13,053.72 = 5,579.32 : x
  2. Step 2: Convert to fraction form
    8,708.20/13,053.72 = 5,579.32/x
  3. Step 3: Cross multiply
    8,708.20x = 13,053.72 × 5,579.32
  4. Step 4: Simplify right side
    8,708.20x = 72,830,881.07
  5. Step 5: Solve for x
    x = 72,830,881.07/8,708.20
  6. Step 6: Final answer
    x = 8,363.48

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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.