Home / 7,781.32-11,641.26-6,012.52

Finding the Fourth Proportional to 7,781.32, 11,641.26 and 6,012.52

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Solution

The fourth proportional to 7,781.32, 11,641.26 and 6,012.52 is: 8,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781.32 : 11,641.26 = 6,012.52 : x
  2. Step 2: Convert to fraction form
    7,781.32/11,641.26 = 6,012.52/x
  3. Step 3: Cross multiply
    7,781.32x = 11,641.26 × 6,012.52
  4. Step 4: Simplify right side
    7,781.32x = 69,993,308.58
  5. Step 5: Solve for x
    x = 69,993,308.58/7,781.32
  6. Step 6: Final answer
    x = 8,995.04

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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.