Home / 4,215.90-6,323.69-1,294.13

Finding the Fourth Proportional to 4,215.90, 6,323.69 and 1,294.13

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Solution

The fourth proportional to 4,215.90, 6,323.69 and 1,294.13 is: 1,941.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.90 : 6,323.69 = 1,294.13 : x
  2. Step 2: Convert to fraction form
    4,215.90/6,323.69 = 1,294.13/x
  3. Step 3: Cross multiply
    4,215.90x = 6,323.69 × 1,294.13
  4. Step 4: Simplify right side
    4,215.90x = 8,183,648.56
  5. Step 5: Solve for x
    x = 8,183,648.56/4,215.90
  6. Step 6: Final answer
    x = 1,941.14

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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.