Home / 7,549.75-10,418.66-4,405.33

Finding the Fourth Proportional to 7,549.75, 10,418.66 and 4,405.33

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Solution

The fourth proportional to 7,549.75, 10,418.66 and 4,405.33 is: 6,079.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.75 : 10,418.66 = 4,405.33 : x
  2. Step 2: Convert to fraction form
    7,549.75/10,418.66 = 4,405.33/x
  3. Step 3: Cross multiply
    7,549.75x = 10,418.66 × 4,405.33
  4. Step 4: Simplify right side
    7,549.75x = 45,897,635.46
  5. Step 5: Solve for x
    x = 45,897,635.46/7,549.75
  6. Step 6: Final answer
    x = 6,079.36

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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.