Home / 7,437.06-11,157.03-3,978.18

Finding the Fourth Proportional to 7,437.06, 11,157.03 and 3,978.18

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Solution

The fourth proportional to 7,437.06, 11,157.03 and 3,978.18 is: 5,968.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.06 : 11,157.03 = 3,978.18 : x
  2. Step 2: Convert to fraction form
    7,437.06/11,157.03 = 3,978.18/x
  3. Step 3: Cross multiply
    7,437.06x = 11,157.03 × 3,978.18
  4. Step 4: Simplify right side
    7,437.06x = 44,384,673.61
  5. Step 5: Solve for x
    x = 44,384,673.61/7,437.06
  6. Step 6: Final answer
    x = 5,968.04

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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.