Home / 5,396.28-7,445.88-3,508.08

Finding the Fourth Proportional to 5,396.28, 7,445.88 and 3,508.08

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Solution

The fourth proportional to 5,396.28, 7,445.88 and 3,508.08 is: 4,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.28 : 7,445.88 = 3,508.08 : x
  2. Step 2: Convert to fraction form
    5,396.28/7,445.88 = 3,508.08/x
  3. Step 3: Cross multiply
    5,396.28x = 7,445.88 × 3,508.08
  4. Step 4: Simplify right side
    5,396.28x = 26,120,742.71
  5. Step 5: Solve for x
    x = 26,120,742.71/5,396.28
  6. Step 6: Final answer
    x = 4,840.51

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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.