Home / 7,764.02-10,714.29-4,227.20

Finding the Fourth Proportional to 7,764.02, 10,714.29 and 4,227.20

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Solution

The fourth proportional to 7,764.02, 10,714.29 and 4,227.20 is: 5,833.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.02 : 10,714.29 = 4,227.20 : x
  2. Step 2: Convert to fraction form
    7,764.02/10,714.29 = 4,227.20/x
  3. Step 3: Cross multiply
    7,764.02x = 10,714.29 × 4,227.20
  4. Step 4: Simplify right side
    7,764.02x = 45,291,446.69
  5. Step 5: Solve for x
    x = 45,291,446.69/7,764.02
  6. Step 6: Final answer
    x = 5,833.50

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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.