Home / 7,148.81-10,723.28-2,934.38

Finding the Fourth Proportional to 7,148.81, 10,723.28 and 2,934.38

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Solution

The fourth proportional to 7,148.81, 10,723.28 and 2,934.38 is: 4,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.81 : 10,723.28 = 2,934.38 : x
  2. Step 2: Convert to fraction form
    7,148.81/10,723.28 = 2,934.38/x
  3. Step 3: Cross multiply
    7,148.81x = 10,723.28 × 2,934.38
  4. Step 4: Simplify right side
    7,148.81x = 31,466,190.50
  5. Step 5: Solve for x
    x = 31,466,190.50/7,148.81
  6. Step 6: Final answer
    x = 4,401.60

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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.