Home / 7,146.86-9,862.54-4,003.16

Finding the Fourth Proportional to 7,146.86, 9,862.54 and 4,003.16

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Solution

The fourth proportional to 7,146.86, 9,862.54 and 4,003.16 is: 5,524.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.86 : 9,862.54 = 4,003.16 : x
  2. Step 2: Convert to fraction form
    7,146.86/9,862.54 = 4,003.16/x
  3. Step 3: Cross multiply
    7,146.86x = 9,862.54 × 4,003.16
  4. Step 4: Simplify right side
    7,146.86x = 39,481,325.63
  5. Step 5: Solve for x
    x = 39,481,325.63/7,146.86
  6. Step 6: Final answer
    x = 5,524.29

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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.