Home / 5,664.29-7,815.11-3,424.55

Finding the Fourth Proportional to 5,664.29, 7,815.11 and 3,424.55

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Solution

The fourth proportional to 5,664.29, 7,815.11 and 3,424.55 is: 4,724.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.29 : 7,815.11 = 3,424.55 : x
  2. Step 2: Convert to fraction form
    5,664.29/7,815.11 = 3,424.55/x
  3. Step 3: Cross multiply
    5,664.29x = 7,815.11 × 3,424.55
  4. Step 4: Simplify right side
    5,664.29x = 26,763,178.75
  5. Step 5: Solve for x
    x = 26,763,178.75/5,664.29
  6. Step 6: Final answer
    x = 4,724.89

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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.