Home / 7,116.03-10,673.64-1,921.50

Finding the Fourth Proportional to 7,116.03, 10,673.64 and 1,921.50

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Solution

The fourth proportional to 7,116.03, 10,673.64 and 1,921.50 is: 2,882.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.03 : 10,673.64 = 1,921.50 : x
  2. Step 2: Convert to fraction form
    7,116.03/10,673.64 = 1,921.50/x
  3. Step 3: Cross multiply
    7,116.03x = 10,673.64 × 1,921.50
  4. Step 4: Simplify right side
    7,116.03x = 20,509,399.26
  5. Step 5: Solve for x
    x = 20,509,399.26/7,116.03
  6. Step 6: Final answer
    x = 2,882.14

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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.