Home / 8,855.25-12,219.76-4,875.61

Finding the Fourth Proportional to 8,855.25, 12,219.76 and 4,875.61

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Solution

The fourth proportional to 8,855.25, 12,219.76 and 4,875.61 is: 6,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.25 : 12,219.76 = 4,875.61 : x
  2. Step 2: Convert to fraction form
    8,855.25/12,219.76 = 4,875.61/x
  3. Step 3: Cross multiply
    8,855.25x = 12,219.76 × 4,875.61
  4. Step 4: Simplify right side
    8,855.25x = 59,578,698.58
  5. Step 5: Solve for x
    x = 59,578,698.58/8,855.25
  6. Step 6: Final answer
    x = 6,728.07

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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.