Home / 6,827.50-9,423.72-4,177.12

Finding the Fourth Proportional to 6,827.50, 9,423.72 and 4,177.12

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Solution

The fourth proportional to 6,827.50, 9,423.72 and 4,177.12 is: 5,765.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,827.50 : 9,423.72 = 4,177.12 : x
  2. Step 2: Convert to fraction form
    6,827.50/9,423.72 = 4,177.12/x
  3. Step 3: Cross multiply
    6,827.50x = 9,423.72 × 4,177.12
  4. Step 4: Simplify right side
    6,827.50x = 39,364,009.29
  5. Step 5: Solve for x
    x = 39,364,009.29/6,827.50
  6. Step 6: Final answer
    x = 5,765.51

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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.