Home / 7,339.62-10,987.54-5,147.14

Finding the Fourth Proportional to 7,339.62, 10,987.54 and 5,147.14

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Solution

The fourth proportional to 7,339.62, 10,987.54 and 5,147.14 is: 7,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.62 : 10,987.54 = 5,147.14 : x
  2. Step 2: Convert to fraction form
    7,339.62/10,987.54 = 5,147.14/x
  3. Step 3: Cross multiply
    7,339.62x = 10,987.54 × 5,147.14
  4. Step 4: Simplify right side
    7,339.62x = 56,554,406.64
  5. Step 5: Solve for x
    x = 56,554,406.64/7,339.62
  6. Step 6: Final answer
    x = 7,705.36

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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.