Home / 8,771.13-13,159.14-4,878.27

Finding the Fourth Proportional to 8,771.13, 13,159.14 and 4,878.27

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Solution

The fourth proportional to 8,771.13, 13,159.14 and 4,878.27 is: 7,318.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.13 : 13,159.14 = 4,878.27 : x
  2. Step 2: Convert to fraction form
    8,771.13/13,159.14 = 4,878.27/x
  3. Step 3: Cross multiply
    8,771.13x = 13,159.14 × 4,878.27
  4. Step 4: Simplify right side
    8,771.13x = 64,193,837.89
  5. Step 5: Solve for x
    x = 64,193,837.89/8,771.13
  6. Step 6: Final answer
    x = 7,318.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.