Home / 5,120.04-7,670.34-2,651.16

Finding the Fourth Proportional to 5,120.04, 7,670.34 and 2,651.16

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Solution

The fourth proportional to 5,120.04, 7,670.34 and 2,651.16 is: 3,971.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120.04 : 7,670.34 = 2,651.16 : x
  2. Step 2: Convert to fraction form
    5,120.04/7,670.34 = 2,651.16/x
  3. Step 3: Cross multiply
    5,120.04x = 7,670.34 × 2,651.16
  4. Step 4: Simplify right side
    5,120.04x = 20,335,298.59
  5. Step 5: Solve for x
    x = 20,335,298.59/5,120.04
  6. Step 6: Final answer
    x = 3,971.71

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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.