Home / 4,342.17-6,511.77-1,419.75

Finding the Fourth Proportional to 4,342.17, 6,511.77 and 1,419.75

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Solution

The fourth proportional to 4,342.17, 6,511.77 and 1,419.75 is: 2,129.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.17 : 6,511.77 = 1,419.75 : x
  2. Step 2: Convert to fraction form
    4,342.17/6,511.77 = 1,419.75/x
  3. Step 3: Cross multiply
    4,342.17x = 6,511.77 × 1,419.75
  4. Step 4: Simplify right side
    4,342.17x = 9,245,085.46
  5. Step 5: Solve for x
    x = 9,245,085.46/4,342.17
  6. Step 6: Final answer
    x = 2,129.14

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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.