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Finding the Fourth Proportional to 8,883.13, 13,323.74 and 4,718.71

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Solution

The fourth proportional to 8,883.13, 13,323.74 and 4,718.71 is: 7,077.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.13 : 13,323.74 = 4,718.71 : x
  2. Step 2: Convert to fraction form
    8,883.13/13,323.74 = 4,718.71/x
  3. Step 3: Cross multiply
    8,883.13x = 13,323.74 × 4,718.71
  4. Step 4: Simplify right side
    8,883.13x = 62,870,910.28
  5. Step 5: Solve for x
    x = 62,870,910.28/8,883.13
  6. Step 6: Final answer
    x = 7,077.57

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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.