Home / 5,709.10-8,572.45-3,117.10

Finding the Fourth Proportional to 5,709.10, 8,572.45 and 3,117.10

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Solution

The fourth proportional to 5,709.10, 8,572.45 and 3,117.10 is: 4,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709.10 : 8,572.45 = 3,117.10 : x
  2. Step 2: Convert to fraction form
    5,709.10/8,572.45 = 3,117.10/x
  3. Step 3: Cross multiply
    5,709.10x = 8,572.45 × 3,117.10
  4. Step 4: Simplify right side
    5,709.10x = 26,721,183.90
  5. Step 5: Solve for x
    x = 26,721,183.90/5,709.10
  6. Step 6: Final answer
    x = 4,680.45

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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.