Home / 5,649.95-7,796.98-3,132.11

Finding the Fourth Proportional to 5,649.95, 7,796.98 and 3,132.11

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Solution

The fourth proportional to 5,649.95, 7,796.98 and 3,132.11 is: 4,322.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.95 : 7,796.98 = 3,132.11 : x
  2. Step 2: Convert to fraction form
    5,649.95/7,796.98 = 3,132.11/x
  3. Step 3: Cross multiply
    5,649.95x = 7,796.98 × 3,132.11
  4. Step 4: Simplify right side
    5,649.95x = 24,421,010.69
  5. Step 5: Solve for x
    x = 24,421,010.69/5,649.95
  6. Step 6: Final answer
    x = 4,322.34

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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.