Home / 8,015.30-11,061.12-4,478.52

Finding the Fourth Proportional to 8,015.30, 11,061.12 and 4,478.52

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Solution

The fourth proportional to 8,015.30, 11,061.12 and 4,478.52 is: 6,180.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.30 : 11,061.12 = 4,478.52 : x
  2. Step 2: Convert to fraction form
    8,015.30/11,061.12 = 4,478.52/x
  3. Step 3: Cross multiply
    8,015.30x = 11,061.12 × 4,478.52
  4. Step 4: Simplify right side
    8,015.30x = 49,537,447.14
  5. Step 5: Solve for x
    x = 49,537,447.14/8,015.30
  6. Step 6: Final answer
    x = 6,180.36

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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.