Home / 5,712.08-7,881.46-3,352.84

Finding the Fourth Proportional to 5,712.08, 7,881.46 and 3,352.84

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Solution

The fourth proportional to 5,712.08, 7,881.46 and 3,352.84 is: 4,626.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.08 : 7,881.46 = 3,352.84 : x
  2. Step 2: Convert to fraction form
    5,712.08/7,881.46 = 3,352.84/x
  3. Step 3: Cross multiply
    5,712.08x = 7,881.46 × 3,352.84
  4. Step 4: Simplify right side
    5,712.08x = 26,425,274.35
  5. Step 5: Solve for x
    x = 26,425,274.35/5,712.08
  6. Step 6: Final answer
    x = 4,626.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.