Home / 4,217.86-6,315.75-2,752.90

Finding the Fourth Proportional to 4,217.86, 6,315.75 and 2,752.90

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Solution

The fourth proportional to 4,217.86, 6,315.75 and 2,752.90 is: 4,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.86 : 6,315.75 = 2,752.90 : x
  2. Step 2: Convert to fraction form
    4,217.86/6,315.75 = 2,752.90/x
  3. Step 3: Cross multiply
    4,217.86x = 6,315.75 × 2,752.90
  4. Step 4: Simplify right side
    4,217.86x = 17,386,628.18
  5. Step 5: Solve for x
    x = 17,386,628.18/4,217.86
  6. Step 6: Final answer
    x = 4,122.14

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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.