Home / 5,434.31-7,500.44-3,077.21

Finding the Fourth Proportional to 5,434.31, 7,500.44 and 3,077.21

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Solution

The fourth proportional to 5,434.31, 7,500.44 and 3,077.21 is: 4,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.31 : 7,500.44 = 3,077.21 : x
  2. Step 2: Convert to fraction form
    5,434.31/7,500.44 = 3,077.21/x
  3. Step 3: Cross multiply
    5,434.31x = 7,500.44 × 3,077.21
  4. Step 4: Simplify right side
    5,434.31x = 23,080,399.16
  5. Step 5: Solve for x
    x = 23,080,399.16/5,434.31
  6. Step 6: Final answer
    x = 4,247.17

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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.