Home / 5,440.70-8,155.65-2,513.90

Finding the Fourth Proportional to 5,440.70, 8,155.65 and 2,513.90

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Solution

The fourth proportional to 5,440.70, 8,155.65 and 2,513.90 is: 3,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.70 : 8,155.65 = 2,513.90 : x
  2. Step 2: Convert to fraction form
    5,440.70/8,155.65 = 2,513.90/x
  3. Step 3: Cross multiply
    5,440.70x = 8,155.65 × 2,513.90
  4. Step 4: Simplify right side
    5,440.70x = 20,502,488.54
  5. Step 5: Solve for x
    x = 20,502,488.54/5,440.70
  6. Step 6: Final answer
    x = 3,768.35

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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.