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Finding the Fourth Proportional to 7,088.16, 9,780.16 and 4,104.48

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Solution

The fourth proportional to 7,088.16, 9,780.16 and 4,104.48 is: 5,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.16 : 9,780.16 = 4,104.48 : x
  2. Step 2: Convert to fraction form
    7,088.16/9,780.16 = 4,104.48/x
  3. Step 3: Cross multiply
    7,088.16x = 9,780.16 × 4,104.48
  4. Step 4: Simplify right side
    7,088.16x = 40,142,471.12
  5. Step 5: Solve for x
    x = 40,142,471.12/7,088.16
  6. Step 6: Final answer
    x = 5,663.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.