Home / 9,117.56-13,667.70-3,927.08

Finding the Fourth Proportional to 9,117.56, 13,667.70 and 3,927.08

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Solution

The fourth proportional to 9,117.56, 13,667.70 and 3,927.08 is: 5,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.56 : 13,667.70 = 3,927.08 : x
  2. Step 2: Convert to fraction form
    9,117.56/13,667.70 = 3,927.08/x
  3. Step 3: Cross multiply
    9,117.56x = 13,667.70 × 3,927.08
  4. Step 4: Simplify right side
    9,117.56x = 53,674,151.32
  5. Step 5: Solve for x
    x = 53,674,151.32/9,117.56
  6. Step 6: Final answer
    x = 5,886.90

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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.