Home / 6,189.12-9,280.80-2,722.32

Finding the Fourth Proportional to 6,189.12, 9,280.80 and 2,722.32

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Solution

The fourth proportional to 6,189.12, 9,280.80 and 2,722.32 is: 4,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.12 : 9,280.80 = 2,722.32 : x
  2. Step 2: Convert to fraction form
    6,189.12/9,280.80 = 2,722.32/x
  3. Step 3: Cross multiply
    6,189.12x = 9,280.80 × 2,722.32
  4. Step 4: Simplify right side
    6,189.12x = 25,265,307.46
  5. Step 5: Solve for x
    x = 25,265,307.46/6,189.12
  6. Step 6: Final answer
    x = 4,082.21

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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.