Home / 6,861.51-9,468.90-3,717.70

Finding the Fourth Proportional to 6,861.51, 9,468.90 and 3,717.70

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Solution

The fourth proportional to 6,861.51, 9,468.90 and 3,717.70 is: 5,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.51 : 9,468.90 = 3,717.70 : x
  2. Step 2: Convert to fraction form
    6,861.51/9,468.90 = 3,717.70/x
  3. Step 3: Cross multiply
    6,861.51x = 9,468.90 × 3,717.70
  4. Step 4: Simplify right side
    6,861.51x = 35,202,491.92
  5. Step 5: Solve for x
    x = 35,202,491.92/6,861.51
  6. Step 6: Final answer
    x = 5,130.43

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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.