Home / 5,518.16-7,608.84-4,023.44

Finding the Fourth Proportional to 5,518.16, 7,608.84 and 4,023.44

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Solution

The fourth proportional to 5,518.16, 7,608.84 and 4,023.44 is: 5,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.16 : 7,608.84 = 4,023.44 : x
  2. Step 2: Convert to fraction form
    5,518.16/7,608.84 = 4,023.44/x
  3. Step 3: Cross multiply
    5,518.16x = 7,608.84 × 4,023.44
  4. Step 4: Simplify right side
    5,518.16x = 30,613,711.21
  5. Step 5: Solve for x
    x = 30,613,711.21/5,518.16
  6. Step 6: Final answer
    x = 5,547.81

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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.