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Finding the Fourth Proportional to 7,155.80, 9,887.83 and 5,595.74

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Solution

The fourth proportional to 7,155.80, 9,887.83 and 5,595.74 is: 7,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.80 : 9,887.83 = 5,595.74 : x
  2. Step 2: Convert to fraction form
    7,155.80/9,887.83 = 5,595.74/x
  3. Step 3: Cross multiply
    7,155.80x = 9,887.83 × 5,595.74
  4. Step 4: Simplify right side
    7,155.80x = 55,329,662.42
  5. Step 5: Solve for x
    x = 55,329,662.42/7,155.80
  6. Step 6: Final answer
    x = 7,732.15

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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.