Home / 5,521.28-8,284.89-4,291.16

Finding the Fourth Proportional to 5,521.28, 8,284.89 and 4,291.16

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Solution

The fourth proportional to 5,521.28, 8,284.89 and 4,291.16 is: 6,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.28 : 8,284.89 = 4,291.16 : x
  2. Step 2: Convert to fraction form
    5,521.28/8,284.89 = 4,291.16/x
  3. Step 3: Cross multiply
    5,521.28x = 8,284.89 × 4,291.16
  4. Step 4: Simplify right side
    5,521.28x = 35,551,788.57
  5. Step 5: Solve for x
    x = 35,551,788.57/5,521.28
  6. Step 6: Final answer
    x = 6,439.05

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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.