Home / 9,738.48-13,438.80-5,548.08

Finding the Fourth Proportional to 9,738.48, 13,438.80 and 5,548.08

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Solution

The fourth proportional to 9,738.48, 13,438.80 and 5,548.08 is: 7,656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,738.48 : 13,438.80 = 5,548.08 : x
  2. Step 2: Convert to fraction form
    9,738.48/13,438.80 = 5,548.08/x
  3. Step 3: Cross multiply
    9,738.48x = 13,438.80 × 5,548.08
  4. Step 4: Simplify right side
    9,738.48x = 74,559,537.50
  5. Step 5: Solve for x
    x = 74,559,537.50/9,738.48
  6. Step 6: Final answer
    x = 7,656.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.