Home / 5,140.68-7,090.98-3,044.28

Finding the Fourth Proportional to 5,140.68, 7,090.98 and 3,044.28

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Solution

The fourth proportional to 5,140.68, 7,090.98 and 3,044.28 is: 4,199.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.68 : 7,090.98 = 3,044.28 : x
  2. Step 2: Convert to fraction form
    5,140.68/7,090.98 = 3,044.28/x
  3. Step 3: Cross multiply
    5,140.68x = 7,090.98 × 3,044.28
  4. Step 4: Simplify right side
    5,140.68x = 21,586,928.59
  5. Step 5: Solve for x
    x = 21,586,928.59/5,140.68
  6. Step 6: Final answer
    x = 4,199.24

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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.