Home / 6,764.20-10,146.30-5,612.20

Finding the Fourth Proportional to 6,764.20, 10,146.30 and 5,612.20

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Solution

The fourth proportional to 6,764.20, 10,146.30 and 5,612.20 is: 8,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.20 : 10,146.30 = 5,612.20 : x
  2. Step 2: Convert to fraction form
    6,764.20/10,146.30 = 5,612.20/x
  3. Step 3: Cross multiply
    6,764.20x = 10,146.30 × 5,612.20
  4. Step 4: Simplify right side
    6,764.20x = 56,943,064.86
  5. Step 5: Solve for x
    x = 56,943,064.86/6,764.20
  6. Step 6: Final answer
    x = 8,418.30

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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.