Home / 7,165.04-9,887.40-4,181

Finding the Fourth Proportional to 7,165.04, 9,887.40 and 4,181

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Solution

The fourth proportional to 7,165.04, 9,887.40 and 4,181 is: 5,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.04 : 9,887.40 = 4,181 : x
  2. Step 2: Convert to fraction form
    7,165.04/9,887.40 = 4,181/x
  3. Step 3: Cross multiply
    7,165.04x = 9,887.40 × 4,181
  4. Step 4: Simplify right side
    7,165.04x = 41,339,219.40
  5. Step 5: Solve for x
    x = 41,339,219.40/7,165.04
  6. Step 6: Final answer
    x = 5,769.57

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1.5x scale

Why These Related Problems?

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