Home / 9,127.04-13,692-3,934.40

Finding the Fourth Proportional to 9,127.04, 13,692 and 3,934.40

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Solution

The fourth proportional to 9,127.04, 13,692 and 3,934.40 is: 5,902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.04 : 13,692 = 3,934.40 : x
  2. Step 2: Convert to fraction form
    9,127.04/13,692 = 3,934.40/x
  3. Step 3: Cross multiply
    9,127.04x = 13,692 × 3,934.40
  4. Step 4: Simplify right side
    9,127.04x = 53,869,804.80
  5. Step 5: Solve for x
    x = 53,869,804.80/9,127.04
  6. Step 6: Final answer
    x = 5,902.22

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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.