Home / 5,130.93-7,082.44-3,007.14

Finding the Fourth Proportional to 5,130.93, 7,082.44 and 3,007.14

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Solution

The fourth proportional to 5,130.93, 7,082.44 and 3,007.14 is: 4,150.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.93 : 7,082.44 = 3,007.14 : x
  2. Step 2: Convert to fraction form
    5,130.93/7,082.44 = 3,007.14/x
  3. Step 3: Cross multiply
    5,130.93x = 7,082.44 × 3,007.14
  4. Step 4: Simplify right side
    5,130.93x = 21,297,888.62
  5. Step 5: Solve for x
    x = 21,297,888.62/5,130.93
  6. Step 6: Final answer
    x = 4,150.88

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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.