Home / 5,117.07-7,675.17-1,419.02

Finding the Fourth Proportional to 5,117.07, 7,675.17 and 1,419.02

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Solution

The fourth proportional to 5,117.07, 7,675.17 and 1,419.02 is: 2,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.07 : 7,675.17 = 1,419.02 : x
  2. Step 2: Convert to fraction form
    5,117.07/7,675.17 = 1,419.02/x
  3. Step 3: Cross multiply
    5,117.07x = 7,675.17 × 1,419.02
  4. Step 4: Simplify right side
    5,117.07x = 10,891,219.73
  5. Step 5: Solve for x
    x = 10,891,219.73/5,117.07
  6. Step 6: Final answer
    x = 2,128.41

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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.