Home / 6,861.66-10,292.90-1,931.68

Finding the Fourth Proportional to 6,861.66, 10,292.90 and 1,931.68

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Solution

The fourth proportional to 6,861.66, 10,292.90 and 1,931.68 is: 2,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.66 : 10,292.90 = 1,931.68 : x
  2. Step 2: Convert to fraction form
    6,861.66/10,292.90 = 1,931.68/x
  3. Step 3: Cross multiply
    6,861.66x = 10,292.90 × 1,931.68
  4. Step 4: Simplify right side
    6,861.66x = 19,882,589.07
  5. Step 5: Solve for x
    x = 19,882,589.07/6,861.66
  6. Step 6: Final answer
    x = 2,897.64

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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.