Home / 7,803.28-10,767.68-4,616.69

Finding the Fourth Proportional to 7,803.28, 10,767.68 and 4,616.69

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Solution

The fourth proportional to 7,803.28, 10,767.68 and 4,616.69 is: 6,370.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803.28 : 10,767.68 = 4,616.69 : x
  2. Step 2: Convert to fraction form
    7,803.28/10,767.68 = 4,616.69/x
  3. Step 3: Cross multiply
    7,803.28x = 10,767.68 × 4,616.69
  4. Step 4: Simplify right side
    7,803.28x = 49,711,044.41
  5. Step 5: Solve for x
    x = 49,711,044.41/7,803.28
  6. Step 6: Final answer
    x = 6,370.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.