Home / 8,328.17-11,491.80-4,743.60

Finding the Fourth Proportional to 8,328.17, 11,491.80 and 4,743.60

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Solution

The fourth proportional to 8,328.17, 11,491.80 and 4,743.60 is: 6,545.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.17 : 11,491.80 = 4,743.60 : x
  2. Step 2: Convert to fraction form
    8,328.17/11,491.80 = 4,743.60/x
  3. Step 3: Cross multiply
    8,328.17x = 11,491.80 × 4,743.60
  4. Step 4: Simplify right side
    8,328.17x = 54,512,502.48
  5. Step 5: Solve for x
    x = 54,512,502.48/8,328.17
  6. Step 6: Final answer
    x = 6,545.56

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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.