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Finding the Fourth Proportional to 8,802.88, 13,206.52 and 6,210.88

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Solution

The fourth proportional to 8,802.88, 13,206.52 and 6,210.88 is: 9,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.88 : 13,206.52 = 6,210.88 : x
  2. Step 2: Convert to fraction form
    8,802.88/13,206.52 = 6,210.88/x
  3. Step 3: Cross multiply
    8,802.88x = 13,206.52 × 6,210.88
  4. Step 4: Simplify right side
    8,802.88x = 82,024,110.94
  5. Step 5: Solve for x
    x = 82,024,110.94/8,802.88
  6. Step 6: Final answer
    x = 9,317.87

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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.