Home / 5,724.78-8,587.29-2,438.46

Finding the Fourth Proportional to 5,724.78, 8,587.29 and 2,438.46

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Solution

The fourth proportional to 5,724.78, 8,587.29 and 2,438.46 is: 3,657.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.78 : 8,587.29 = 2,438.46 : x
  2. Step 2: Convert to fraction form
    5,724.78/8,587.29 = 2,438.46/x
  3. Step 3: Cross multiply
    5,724.78x = 8,587.29 × 2,438.46
  4. Step 4: Simplify right side
    5,724.78x = 20,939,763.17
  5. Step 5: Solve for x
    x = 20,939,763.17/5,724.78
  6. Step 6: Final answer
    x = 3,657.74

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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.