Home / 5,275.08-7,912.61-1,577.31

Finding the Fourth Proportional to 5,275.08, 7,912.61 and 1,577.31

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Solution

The fourth proportional to 5,275.08, 7,912.61 and 1,577.31 is: 2,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.08 : 7,912.61 = 1,577.31 : x
  2. Step 2: Convert to fraction form
    5,275.08/7,912.61 = 1,577.31/x
  3. Step 3: Cross multiply
    5,275.08x = 7,912.61 × 1,577.31
  4. Step 4: Simplify right side
    5,275.08x = 12,480,630.99
  5. Step 5: Solve for x
    x = 12,480,630.99/5,275.08
  6. Step 6: Final answer
    x = 2,365.96

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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.