Home / 7,324.14-10,985.66-2,130.16

Finding the Fourth Proportional to 7,324.14, 10,985.66 and 2,130.16

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Solution

The fourth proportional to 7,324.14, 10,985.66 and 2,130.16 is: 3,195.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.14 : 10,985.66 = 2,130.16 : x
  2. Step 2: Convert to fraction form
    7,324.14/10,985.66 = 2,130.16/x
  3. Step 3: Cross multiply
    7,324.14x = 10,985.66 × 2,130.16
  4. Step 4: Simplify right side
    7,324.14x = 23,401,213.51
  5. Step 5: Solve for x
    x = 23,401,213.51/7,324.14
  6. Step 6: Final answer
    x = 3,195.08

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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.