Home / 5,117.08-7,675.59-1,419.27

Finding the Fourth Proportional to 5,117.08, 7,675.59 and 1,419.27

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Solution

The fourth proportional to 5,117.08, 7,675.59 and 1,419.27 is: 2,128.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.08 : 7,675.59 = 1,419.27 : x
  2. Step 2: Convert to fraction form
    5,117.08/7,675.59 = 1,419.27/x
  3. Step 3: Cross multiply
    5,117.08x = 7,675.59 × 1,419.27
  4. Step 4: Simplify right side
    5,117.08x = 10,893,734.62
  5. Step 5: Solve for x
    x = 10,893,734.62/5,117.08
  6. Step 6: Final answer
    x = 2,128.90

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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.