Home / 5,440.28-8,160.42-3,590.96

Finding the Fourth Proportional to 5,440.28, 8,160.42 and 3,590.96

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Solution

The fourth proportional to 5,440.28, 8,160.42 and 3,590.96 is: 5,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.28 : 8,160.42 = 3,590.96 : x
  2. Step 2: Convert to fraction form
    5,440.28/8,160.42 = 3,590.96/x
  3. Step 3: Cross multiply
    5,440.28x = 8,160.42 × 3,590.96
  4. Step 4: Simplify right side
    5,440.28x = 29,303,746.21
  5. Step 5: Solve for x
    x = 29,303,746.21/5,440.28
  6. Step 6: Final answer
    x = 5,386.44

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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.