Home / 8,888.06-12,264.81-5,111.06

Finding the Fourth Proportional to 8,888.06, 12,264.81 and 5,111.06

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Solution

The fourth proportional to 8,888.06, 12,264.81 and 5,111.06 is: 7,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.06 : 12,264.81 = 5,111.06 : x
  2. Step 2: Convert to fraction form
    8,888.06/12,264.81 = 5,111.06/x
  3. Step 3: Cross multiply
    8,888.06x = 12,264.81 × 5,111.06
  4. Step 4: Simplify right side
    8,888.06x = 62,686,179.80
  5. Step 5: Solve for x
    x = 62,686,179.80/8,888.06
  6. Step 6: Final answer
    x = 7,052.85

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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.