Home / 9,160.61-13,742.01-2,918.43

Finding the Fourth Proportional to 9,160.61, 13,742.01 and 2,918.43

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Solution

The fourth proportional to 9,160.61, 13,742.01 and 2,918.43 is: 4,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.61 : 13,742.01 = 2,918.43 : x
  2. Step 2: Convert to fraction form
    9,160.61/13,742.01 = 2,918.43/x
  3. Step 3: Cross multiply
    9,160.61x = 13,742.01 × 2,918.43
  4. Step 4: Simplify right side
    9,160.61x = 40,105,094.24
  5. Step 5: Solve for x
    x = 40,105,094.24/9,160.61
  6. Step 6: Final answer
    x = 4,378.00

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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.