Home / 7,175.30-9,901.37-4,030.88

Finding the Fourth Proportional to 7,175.30, 9,901.37 and 4,030.88

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Solution

The fourth proportional to 7,175.30, 9,901.37 and 4,030.88 is: 5,562.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.30 : 9,901.37 = 4,030.88 : x
  2. Step 2: Convert to fraction form
    7,175.30/9,901.37 = 4,030.88/x
  3. Step 3: Cross multiply
    7,175.30x = 9,901.37 × 4,030.88
  4. Step 4: Simplify right side
    7,175.30x = 39,911,234.31
  5. Step 5: Solve for x
    x = 39,911,234.31/7,175.30
  6. Step 6: Final answer
    x = 5,562.31

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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.