Home / 8,886.08-12,262.32-5,108.65

Finding the Fourth Proportional to 8,886.08, 12,262.32 and 5,108.65

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Solution

The fourth proportional to 8,886.08, 12,262.32 and 5,108.65 is: 7,049.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.08 : 12,262.32 = 5,108.65 : x
  2. Step 2: Convert to fraction form
    8,886.08/12,262.32 = 5,108.65/x
  3. Step 3: Cross multiply
    8,886.08x = 12,262.32 × 5,108.65
  4. Step 4: Simplify right side
    8,886.08x = 62,643,870.41
  5. Step 5: Solve for x
    x = 62,643,870.41/8,886.08
  6. Step 6: Final answer
    x = 7,049.66

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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.