Home / 6,812.07-9,400.74-4,159.11

Finding the Fourth Proportional to 6,812.07, 9,400.74 and 4,159.11

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Solution

The fourth proportional to 6,812.07, 9,400.74 and 4,159.11 is: 5,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.07 : 9,400.74 = 4,159.11 : x
  2. Step 2: Convert to fraction form
    6,812.07/9,400.74 = 4,159.11/x
  3. Step 3: Cross multiply
    6,812.07x = 9,400.74 × 4,159.11
  4. Step 4: Simplify right side
    6,812.07x = 39,098,711.74
  5. Step 5: Solve for x
    x = 39,098,711.74/6,812.07
  6. Step 6: Final answer
    x = 5,739.62

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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.