Home / 7,330.80-11,003.40-3,637.20

Finding the Fourth Proportional to 7,330.80, 11,003.40 and 3,637.20

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Solution

The fourth proportional to 7,330.80, 11,003.40 and 3,637.20 is: 5,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.80 : 11,003.40 = 3,637.20 : x
  2. Step 2: Convert to fraction form
    7,330.80/11,003.40 = 3,637.20/x
  3. Step 3: Cross multiply
    7,330.80x = 11,003.40 × 3,637.20
  4. Step 4: Simplify right side
    7,330.80x = 40,021,566.48
  5. Step 5: Solve for x
    x = 40,021,566.48/7,330.80
  6. Step 6: Final answer
    x = 5,459.37

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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.