Home / 4,342.20-6,511.47-1,418.91

Finding the Fourth Proportional to 4,342.20, 6,511.47 and 1,418.91

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Solution

The fourth proportional to 4,342.20, 6,511.47 and 1,418.91 is: 2,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.20 : 6,511.47 = 1,418.91 : x
  2. Step 2: Convert to fraction form
    4,342.20/6,511.47 = 1,418.91/x
  3. Step 3: Cross multiply
    4,342.20x = 6,511.47 × 1,418.91
  4. Step 4: Simplify right side
    4,342.20x = 9,239,189.90
  5. Step 5: Solve for x
    x = 9,239,189.90/4,342.20
  6. Step 6: Final answer
    x = 2,127.77

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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.