Home / 8,867.35-12,237.57-5,091.13

Finding the Fourth Proportional to 8,867.35, 12,237.57 and 5,091.13

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Solution

The fourth proportional to 8,867.35, 12,237.57 and 5,091.13 is: 7,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.35 : 12,237.57 = 5,091.13 : x
  2. Step 2: Convert to fraction form
    8,867.35/12,237.57 = 5,091.13/x
  3. Step 3: Cross multiply
    8,867.35x = 12,237.57 × 5,091.13
  4. Step 4: Simplify right side
    8,867.35x = 62,302,973.11
  5. Step 5: Solve for x
    x = 62,302,973.11/8,867.35
  6. Step 6: Final answer
    x = 7,026.11

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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.