Home / 6,753.44-9,312.40-4,391.20

Finding the Fourth Proportional to 6,753.44, 9,312.40 and 4,391.20

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Solution

The fourth proportional to 6,753.44, 9,312.40 and 4,391.20 is: 6,055.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,753.44 : 9,312.40 = 4,391.20 : x
  2. Step 2: Convert to fraction form
    6,753.44/9,312.40 = 4,391.20/x
  3. Step 3: Cross multiply
    6,753.44x = 9,312.40 × 4,391.20
  4. Step 4: Simplify right side
    6,753.44x = 40,892,610.88
  5. Step 5: Solve for x
    x = 40,892,610.88/6,753.44
  6. Step 6: Final answer
    x = 6,055.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.