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Finding the Fourth Proportional to 8,802.70, 13,206.20 and 2,879.93

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Solution

The fourth proportional to 8,802.70, 13,206.20 and 2,879.93 is: 4,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.70 : 13,206.20 = 2,879.93 : x
  2. Step 2: Convert to fraction form
    8,802.70/13,206.20 = 2,879.93/x
  3. Step 3: Cross multiply
    8,802.70x = 13,206.20 × 2,879.93
  4. Step 4: Simplify right side
    8,802.70x = 38,032,931.57
  5. Step 5: Solve for x
    x = 38,032,931.57/8,802.70
  6. Step 6: Final answer
    x = 4,320.60

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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.