Home / 8,167.98-11,271.78-4,810.78

Finding the Fourth Proportional to 8,167.98, 11,271.78 and 4,810.78

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Solution

The fourth proportional to 8,167.98, 11,271.78 and 4,810.78 is: 6,638.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.98 : 11,271.78 = 4,810.78 : x
  2. Step 2: Convert to fraction form
    8,167.98/11,271.78 = 4,810.78/x
  3. Step 3: Cross multiply
    8,167.98x = 11,271.78 × 4,810.78
  4. Step 4: Simplify right side
    8,167.98x = 54,226,053.79
  5. Step 5: Solve for x
    x = 54,226,053.79/8,167.98
  6. Step 6: Final answer
    x = 6,638.86

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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.