Home / 5,104.29-7,656.35-2,908.34

Finding the Fourth Proportional to 5,104.29, 7,656.35 and 2,908.34

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Solution

The fourth proportional to 5,104.29, 7,656.35 and 2,908.34 is: 4,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.29 : 7,656.35 = 2,908.34 : x
  2. Step 2: Convert to fraction form
    5,104.29/7,656.35 = 2,908.34/x
  3. Step 3: Cross multiply
    5,104.29x = 7,656.35 × 2,908.34
  4. Step 4: Simplify right side
    5,104.29x = 22,267,216.14
  5. Step 5: Solve for x
    x = 22,267,216.14/5,104.29
  6. Step 6: Final answer
    x = 4,362.45

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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.