Home / 4,342.80-6,511.80-1,569

Finding the Fourth Proportional to 4,342.80, 6,511.80 and 1,569

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Solution

The fourth proportional to 4,342.80, 6,511.80 and 1,569 is: 2,352.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.80 : 6,511.80 = 1,569 : x
  2. Step 2: Convert to fraction form
    4,342.80/6,511.80 = 1,569/x
  3. Step 3: Cross multiply
    4,342.80x = 6,511.80 × 1,569
  4. Step 4: Simplify right side
    4,342.80x = 10,217,014.20
  5. Step 5: Solve for x
    x = 10,217,014.20/4,342.80
  6. Step 6: Final answer
    x = 2,352.63

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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.