Home / 9,237.89-13,856.42-3,394.07

Finding the Fourth Proportional to 9,237.89, 13,856.42 and 3,394.07

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Solution

The fourth proportional to 9,237.89, 13,856.42 and 3,394.07 is: 5,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,237.89 : 13,856.42 = 3,394.07 : x
  2. Step 2: Convert to fraction form
    9,237.89/13,856.42 = 3,394.07/x
  3. Step 3: Cross multiply
    9,237.89x = 13,856.42 × 3,394.07
  4. Step 4: Simplify right side
    9,237.89x = 47,029,642.46
  5. Step 5: Solve for x
    x = 47,029,642.46/9,237.89
  6. Step 6: Final answer
    x = 5,090.95

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1.5x scale

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.