Home / 6,471.24-9,707.34-2,090.76

Finding the Fourth Proportional to 6,471.24, 9,707.34 and 2,090.76

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Solution

The fourth proportional to 6,471.24, 9,707.34 and 2,090.76 is: 3,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.24 : 9,707.34 = 2,090.76 : x
  2. Step 2: Convert to fraction form
    6,471.24/9,707.34 = 2,090.76/x
  3. Step 3: Cross multiply
    6,471.24x = 9,707.34 × 2,090.76
  4. Step 4: Simplify right side
    6,471.24x = 20,295,718.18
  5. Step 5: Solve for x
    x = 20,295,718.18/6,471.24
  6. Step 6: Final answer
    x = 3,136.30

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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.