Home / 8,856.95-12,222.57-4,878.07

Finding the Fourth Proportional to 8,856.95, 12,222.57 and 4,878.07

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Solution

The fourth proportional to 8,856.95, 12,222.57 and 4,878.07 is: 6,731.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.95 : 12,222.57 = 4,878.07 : x
  2. Step 2: Convert to fraction form
    8,856.95/12,222.57 = 4,878.07/x
  3. Step 3: Cross multiply
    8,856.95x = 12,222.57 × 4,878.07
  4. Step 4: Simplify right side
    8,856.95x = 59,622,552.04
  5. Step 5: Solve for x
    x = 59,622,552.04/8,856.95
  6. Step 6: Final answer
    x = 6,731.73

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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.