Home / 9,085.20-12,537.66-5,106.36

Finding the Fourth Proportional to 9,085.20, 12,537.66 and 5,106.36

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Solution

The fourth proportional to 9,085.20, 12,537.66 and 5,106.36 is: 7,046.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.20 : 12,537.66 = 5,106.36 : x
  2. Step 2: Convert to fraction form
    9,085.20/12,537.66 = 5,106.36/x
  3. Step 3: Cross multiply
    9,085.20x = 12,537.66 × 5,106.36
  4. Step 4: Simplify right side
    9,085.20x = 64,021,805.52
  5. Step 5: Solve for x
    x = 64,021,805.52/9,085.20
  6. Step 6: Final answer
    x = 7,046.82

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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.