Home / 5,612.74-8,408.33-3,140.07

Finding the Fourth Proportional to 5,612.74, 8,408.33 and 3,140.07

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Solution

The fourth proportional to 5,612.74, 8,408.33 and 3,140.07 is: 4,704.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.74 : 8,408.33 = 3,140.07 : x
  2. Step 2: Convert to fraction form
    5,612.74/8,408.33 = 3,140.07/x
  3. Step 3: Cross multiply
    5,612.74x = 8,408.33 × 3,140.07
  4. Step 4: Simplify right side
    5,612.74x = 26,402,744.78
  5. Step 5: Solve for x
    x = 26,402,744.78/5,612.74
  6. Step 6: Final answer
    x = 4,704.07

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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.