Home / 6,501.86-9,752.79-2,119.66

Finding the Fourth Proportional to 6,501.86, 9,752.79 and 2,119.66

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Solution

The fourth proportional to 6,501.86, 9,752.79 and 2,119.66 is: 3,179.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,501.86 : 9,752.79 = 2,119.66 : x
  2. Step 2: Convert to fraction form
    6,501.86/9,752.79 = 2,119.66/x
  3. Step 3: Cross multiply
    6,501.86x = 9,752.79 × 2,119.66
  4. Step 4: Simplify right side
    6,501.86x = 20,672,598.85
  5. Step 5: Solve for x
    x = 20,672,598.85/6,501.86
  6. Step 6: Final answer
    x = 3,179.49

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Double scale
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Similar ratio
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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.