Home / 6,711.96-10,068.75-1,781.69

Finding the Fourth Proportional to 6,711.96, 10,068.75 and 1,781.69

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Solution

The fourth proportional to 6,711.96, 10,068.75 and 1,781.69 is: 2,672.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.96 : 10,068.75 = 1,781.69 : x
  2. Step 2: Convert to fraction form
    6,711.96/10,068.75 = 1,781.69/x
  3. Step 3: Cross multiply
    6,711.96x = 10,068.75 × 1,781.69
  4. Step 4: Simplify right side
    6,711.96x = 17,939,391.19
  5. Step 5: Solve for x
    x = 17,939,391.19/6,711.96
  6. Step 6: Final answer
    x = 2,672.75

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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.