Home / 7,644.02-11,473.76-3,948.90

Finding the Fourth Proportional to 7,644.02, 11,473.76 and 3,948.90

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Solution

The fourth proportional to 7,644.02, 11,473.76 and 3,948.90 is: 5,927.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.02 : 11,473.76 = 3,948.90 : x
  2. Step 2: Convert to fraction form
    7,644.02/11,473.76 = 3,948.90/x
  3. Step 3: Cross multiply
    7,644.02x = 11,473.76 × 3,948.90
  4. Step 4: Simplify right side
    7,644.02x = 45,308,730.86
  5. Step 5: Solve for x
    x = 45,308,730.86/7,644.02
  6. Step 6: Final answer
    x = 5,927.34

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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.