Home / 6,471.24-8,931.27-3,954.80

Finding the Fourth Proportional to 6,471.24, 8,931.27 and 3,954.80

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Solution

The fourth proportional to 6,471.24, 8,931.27 and 3,954.80 is: 5,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.24 : 8,931.27 = 3,954.80 : x
  2. Step 2: Convert to fraction form
    6,471.24/8,931.27 = 3,954.80/x
  3. Step 3: Cross multiply
    6,471.24x = 8,931.27 × 3,954.80
  4. Step 4: Simplify right side
    6,471.24x = 35,321,386.60
  5. Step 5: Solve for x
    x = 35,321,386.60/6,471.24
  6. Step 6: Final answer
    x = 5,458.21

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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.