Home / 8,177.55-11,283.48-4,821.42

Finding the Fourth Proportional to 8,177.55, 11,283.48 and 4,821.42

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Solution

The fourth proportional to 8,177.55, 11,283.48 and 4,821.42 is: 6,652.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.55 : 11,283.48 = 4,821.42 : x
  2. Step 2: Convert to fraction form
    8,177.55/11,283.48 = 4,821.42/x
  3. Step 3: Cross multiply
    8,177.55x = 11,283.48 × 4,821.42
  4. Step 4: Simplify right side
    8,177.55x = 54,402,396.14
  5. Step 5: Solve for x
    x = 54,402,396.14/8,177.55
  6. Step 6: Final answer
    x = 6,652.65

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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.