Home / 8,753.51-13,122.89-4,071.12

Finding the Fourth Proportional to 8,753.51, 13,122.89 and 4,071.12

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Solution

The fourth proportional to 8,753.51, 13,122.89 and 4,071.12 is: 6,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.51 : 13,122.89 = 4,071.12 : x
  2. Step 2: Convert to fraction form
    8,753.51/13,122.89 = 4,071.12/x
  3. Step 3: Cross multiply
    8,753.51x = 13,122.89 × 4,071.12
  4. Step 4: Simplify right side
    8,753.51x = 53,424,859.94
  5. Step 5: Solve for x
    x = 53,424,859.94/8,753.51
  6. Step 6: Final answer
    x = 6,103.25

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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.