Home / 7,138.14-10,680.48-5,906.13

Finding the Fourth Proportional to 7,138.14, 10,680.48 and 5,906.13

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Solution

The fourth proportional to 7,138.14, 10,680.48 and 5,906.13 is: 8,837.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138.14 : 10,680.48 = 5,906.13 : x
  2. Step 2: Convert to fraction form
    7,138.14/10,680.48 = 5,906.13/x
  3. Step 3: Cross multiply
    7,138.14x = 10,680.48 × 5,906.13
  4. Step 4: Simplify right side
    7,138.14x = 63,080,303.34
  5. Step 5: Solve for x
    x = 63,080,303.34/7,138.14
  6. Step 6: Final answer
    x = 8,837.08

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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.