Home / 8,394.72-11,585.31-5,557.14

Finding the Fourth Proportional to 8,394.72, 11,585.31 and 5,557.14

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Solution

The fourth proportional to 8,394.72, 11,585.31 and 5,557.14 is: 7,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.72 : 11,585.31 = 5,557.14 : x
  2. Step 2: Convert to fraction form
    8,394.72/11,585.31 = 5,557.14/x
  3. Step 3: Cross multiply
    8,394.72x = 11,585.31 × 5,557.14
  4. Step 4: Simplify right side
    8,394.72x = 64,381,189.61
  5. Step 5: Solve for x
    x = 64,381,189.61/8,394.72
  6. Step 6: Final answer
    x = 7,669.25

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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.