Home / 5,315.61-7,968.25-2,976.74

Finding the Fourth Proportional to 5,315.61, 7,968.25 and 2,976.74

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Solution

The fourth proportional to 5,315.61, 7,968.25 and 2,976.74 is: 4,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.61 : 7,968.25 = 2,976.74 : x
  2. Step 2: Convert to fraction form
    5,315.61/7,968.25 = 2,976.74/x
  3. Step 3: Cross multiply
    5,315.61x = 7,968.25 × 2,976.74
  4. Step 4: Simplify right side
    5,315.61x = 23,719,353.78
  5. Step 5: Solve for x
    x = 23,719,353.78/5,315.61
  6. Step 6: Final answer
    x = 4,462.21

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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.