Home / 4,312.30-6,468.95-1,539.36

Finding the Fourth Proportional to 4,312.30, 6,468.95 and 1,539.36

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Solution

The fourth proportional to 4,312.30, 6,468.95 and 1,539.36 is: 2,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.30 : 6,468.95 = 1,539.36 : x
  2. Step 2: Convert to fraction form
    4,312.30/6,468.95 = 1,539.36/x
  3. Step 3: Cross multiply
    4,312.30x = 6,468.95 × 1,539.36
  4. Step 4: Simplify right side
    4,312.30x = 9,958,042.87
  5. Step 5: Solve for x
    x = 9,958,042.87/4,312.30
  6. Step 6: Final answer
    x = 2,309.22

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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.