Home / 8,857.15-12,223.02-4,877.98

Finding the Fourth Proportional to 8,857.15, 12,223.02 and 4,877.98

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Solution

The fourth proportional to 8,857.15, 12,223.02 and 4,877.98 is: 6,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.15 : 12,223.02 = 4,877.98 : x
  2. Step 2: Convert to fraction form
    8,857.15/12,223.02 = 4,877.98/x
  3. Step 3: Cross multiply
    8,857.15x = 12,223.02 × 4,877.98
  4. Step 4: Simplify right side
    8,857.15x = 59,623,647.10
  5. Step 5: Solve for x
    x = 59,623,647.10/8,857.15
  6. Step 6: Final answer
    x = 6,731.70

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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.