Home / 5,402.51-7,456.06-3,134.35

Finding the Fourth Proportional to 5,402.51, 7,456.06 and 3,134.35

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Solution

The fourth proportional to 5,402.51, 7,456.06 and 3,134.35 is: 4,325.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.51 : 7,456.06 = 3,134.35 : x
  2. Step 2: Convert to fraction form
    5,402.51/7,456.06 = 3,134.35/x
  3. Step 3: Cross multiply
    5,402.51x = 7,456.06 × 3,134.35
  4. Step 4: Simplify right side
    5,402.51x = 23,369,901.66
  5. Step 5: Solve for x
    x = 23,369,901.66/5,402.51
  6. Step 6: Final answer
    x = 4,325.75

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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.