Home / 7,539.80-11,309.73-3,154.18

Finding the Fourth Proportional to 7,539.80, 11,309.73 and 3,154.18

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Solution

The fourth proportional to 7,539.80, 11,309.73 and 3,154.18 is: 4,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.80 : 11,309.73 = 3,154.18 : x
  2. Step 2: Convert to fraction form
    7,539.80/11,309.73 = 3,154.18/x
  3. Step 3: Cross multiply
    7,539.80x = 11,309.73 × 3,154.18
  4. Step 4: Simplify right side
    7,539.80x = 35,672,924.17
  5. Step 5: Solve for x
    x = 35,672,924.17/7,539.80
  6. Step 6: Final answer
    x = 4,731.28

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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.