Home / 5,227.02-7,214.40-3,132.36

Finding the Fourth Proportional to 5,227.02, 7,214.40 and 3,132.36

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Solution

The fourth proportional to 5,227.02, 7,214.40 and 3,132.36 is: 4,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.02 : 7,214.40 = 3,132.36 : x
  2. Step 2: Convert to fraction form
    5,227.02/7,214.40 = 3,132.36/x
  3. Step 3: Cross multiply
    5,227.02x = 7,214.40 × 3,132.36
  4. Step 4: Simplify right side
    5,227.02x = 22,598,097.98
  5. Step 5: Solve for x
    x = 22,598,097.98/5,227.02
  6. Step 6: Final answer
    x = 4,323.32

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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.