Home / 6,328.44-8,721.54-4,928.76

Finding the Fourth Proportional to 6,328.44, 8,721.54 and 4,928.76

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Solution

The fourth proportional to 6,328.44, 8,721.54 and 4,928.76 is: 6,792.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328.44 : 8,721.54 = 4,928.76 : x
  2. Step 2: Convert to fraction form
    6,328.44/8,721.54 = 4,928.76/x
  3. Step 3: Cross multiply
    6,328.44x = 8,721.54 × 4,928.76
  4. Step 4: Simplify right side
    6,328.44x = 42,986,377.49
  5. Step 5: Solve for x
    x = 42,986,377.49/6,328.44
  6. Step 6: Final answer
    x = 6,792.57

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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.