Home / 5,120.08-7,066.38-3,024.16

Finding the Fourth Proportional to 5,120.08, 7,066.38 and 3,024.16

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Solution

The fourth proportional to 5,120.08, 7,066.38 and 3,024.16 is: 4,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120.08 : 7,066.38 = 3,024.16 : x
  2. Step 2: Convert to fraction form
    5,120.08/7,066.38 = 3,024.16/x
  3. Step 3: Cross multiply
    5,120.08x = 7,066.38 × 3,024.16
  4. Step 4: Simplify right side
    5,120.08x = 21,369,863.74
  5. Step 5: Solve for x
    x = 21,369,863.74/5,120.08
  6. Step 6: Final answer
    x = 4,173.74

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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.