Home / 9,291.30-13,938.95-2,716.98

Finding the Fourth Proportional to 9,291.30, 13,938.95 and 2,716.98

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Solution

The fourth proportional to 9,291.30, 13,938.95 and 2,716.98 is: 4,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.30 : 13,938.95 = 2,716.98 : x
  2. Step 2: Convert to fraction form
    9,291.30/13,938.95 = 2,716.98/x
  3. Step 3: Cross multiply
    9,291.30x = 13,938.95 × 2,716.98
  4. Step 4: Simplify right side
    9,291.30x = 37,871,848.37
  5. Step 5: Solve for x
    x = 37,871,848.37/9,291.30
  6. Step 6: Final answer
    x = 4,076.05

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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.