Home / 7,341.12-10,998.72-5,042.88

Finding the Fourth Proportional to 7,341.12, 10,998.72 and 5,042.88

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Solution

The fourth proportional to 7,341.12, 10,998.72 and 5,042.88 is: 7,555.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.12 : 10,998.72 = 5,042.88 : x
  2. Step 2: Convert to fraction form
    7,341.12/10,998.72 = 5,042.88/x
  3. Step 3: Cross multiply
    7,341.12x = 10,998.72 × 5,042.88
  4. Step 4: Simplify right side
    7,341.12x = 55,465,225.11
  5. Step 5: Solve for x
    x = 55,465,225.11/7,341.12
  6. Step 6: Final answer
    x = 7,555.42

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1.5x scale

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.