Home / 8,854.67-12,219.80-4,875.73

Finding the Fourth Proportional to 8,854.67, 12,219.80 and 4,875.73

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Solution

The fourth proportional to 8,854.67, 12,219.80 and 4,875.73 is: 6,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.67 : 12,219.80 = 4,875.73 : x
  2. Step 2: Convert to fraction form
    8,854.67/12,219.80 = 4,875.73/x
  3. Step 3: Cross multiply
    8,854.67x = 12,219.80 × 4,875.73
  4. Step 4: Simplify right side
    8,854.67x = 59,580,390.53
  5. Step 5: Solve for x
    x = 59,580,390.53/8,854.67
  6. Step 6: Final answer
    x = 6,728.69

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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.