Home / 7,167.85-10,752.45-2,785.65

Finding the Fourth Proportional to 7,167.85, 10,752.45 and 2,785.65

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Solution

The fourth proportional to 7,167.85, 10,752.45 and 2,785.65 is: 4,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.85 : 10,752.45 = 2,785.65 : x
  2. Step 2: Convert to fraction form
    7,167.85/10,752.45 = 2,785.65/x
  3. Step 3: Cross multiply
    7,167.85x = 10,752.45 × 2,785.65
  4. Step 4: Simplify right side
    7,167.85x = 29,952,562.34
  5. Step 5: Solve for x
    x = 29,952,562.34/7,167.85
  6. Step 6: Final answer
    x = 4,178.74

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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.