Home / 8,857.04-12,222.90-4,878.32

Finding the Fourth Proportional to 8,857.04, 12,222.90 and 4,878.32

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Solution

The fourth proportional to 8,857.04, 12,222.90 and 4,878.32 is: 6,732.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.04 : 12,222.90 = 4,878.32 : x
  2. Step 2: Convert to fraction form
    8,857.04/12,222.90 = 4,878.32/x
  3. Step 3: Cross multiply
    8,857.04x = 12,222.90 × 4,878.32
  4. Step 4: Simplify right side
    8,857.04x = 59,627,156.41
  5. Step 5: Solve for x
    x = 59,627,156.41/8,857.04
  6. Step 6: Final answer
    x = 6,732.18

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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.