Home / 8,111.95-11,194.45-4,575.13

Finding the Fourth Proportional to 8,111.95, 11,194.45 and 4,575.13

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Solution

The fourth proportional to 8,111.95, 11,194.45 and 4,575.13 is: 6,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.95 : 11,194.45 = 4,575.13 : x
  2. Step 2: Convert to fraction form
    8,111.95/11,194.45 = 4,575.13/x
  3. Step 3: Cross multiply
    8,111.95x = 11,194.45 × 4,575.13
  4. Step 4: Simplify right side
    8,111.95x = 51,216,024.60
  5. Step 5: Solve for x
    x = 51,216,024.60/8,111.95
  6. Step 6: Final answer
    x = 6,313.65

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Double scale
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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.