Home / 9,788.04-13,504.20-5,538.60

Finding the Fourth Proportional to 9,788.04, 13,504.20 and 5,538.60

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Solution

The fourth proportional to 9,788.04, 13,504.20 and 5,538.60 is: 7,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.04 : 13,504.20 = 5,538.60 : x
  2. Step 2: Convert to fraction form
    9,788.04/13,504.20 = 5,538.60/x
  3. Step 3: Cross multiply
    9,788.04x = 13,504.20 × 5,538.60
  4. Step 4: Simplify right side
    9,788.04x = 74,794,362.12
  5. Step 5: Solve for x
    x = 74,794,362.12/9,788.04
  6. Step 6: Final answer
    x = 7,641.40

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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.