Home / 6,501.75-9,752.76-2,119.65

Finding the Fourth Proportional to 6,501.75, 9,752.76 and 2,119.65

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Solution

The fourth proportional to 6,501.75, 9,752.76 and 2,119.65 is: 3,179.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,501.75 : 9,752.76 = 2,119.65 : x
  2. Step 2: Convert to fraction form
    6,501.75/9,752.76 = 2,119.65/x
  3. Step 3: Cross multiply
    6,501.75x = 9,752.76 × 2,119.65
  4. Step 4: Simplify right side
    6,501.75x = 20,672,437.73
  5. Step 5: Solve for x
    x = 20,672,437.73/6,501.75
  6. Step 6: Final answer
    x = 3,179.52

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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.