Home / 5,660.81-8,487.30-2,151.04

Finding the Fourth Proportional to 5,660.81, 8,487.30 and 2,151.04

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Solution

The fourth proportional to 5,660.81, 8,487.30 and 2,151.04 is: 3,225.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.81 : 8,487.30 = 2,151.04 : x
  2. Step 2: Convert to fraction form
    5,660.81/8,487.30 = 2,151.04/x
  3. Step 3: Cross multiply
    5,660.81x = 8,487.30 × 2,151.04
  4. Step 4: Simplify right side
    5,660.81x = 18,256,521.79
  5. Step 5: Solve for x
    x = 18,256,521.79/5,660.81
  6. Step 6: Final answer
    x = 3,225.07

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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.