Home / 5,417.28-7,481.16-4,626.72

Finding the Fourth Proportional to 5,417.28, 7,481.16 and 4,626.72

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Solution

The fourth proportional to 5,417.28, 7,481.16 and 4,626.72 is: 6,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.28 : 7,481.16 = 4,626.72 : x
  2. Step 2: Convert to fraction form
    5,417.28/7,481.16 = 4,626.72/x
  3. Step 3: Cross multiply
    5,417.28x = 7,481.16 × 4,626.72
  4. Step 4: Simplify right side
    5,417.28x = 34,613,232.60
  5. Step 5: Solve for x
    x = 34,613,232.60/5,417.28
  6. Step 6: Final answer
    x = 6,389.41

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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.