Home / 5,148.18-7,104.56-2,910.08

Finding the Fourth Proportional to 5,148.18, 7,104.56 and 2,910.08

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Solution

The fourth proportional to 5,148.18, 7,104.56 and 2,910.08 is: 4,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.18 : 7,104.56 = 2,910.08 : x
  2. Step 2: Convert to fraction form
    5,148.18/7,104.56 = 2,910.08/x
  3. Step 3: Cross multiply
    5,148.18x = 7,104.56 × 2,910.08
  4. Step 4: Simplify right side
    5,148.18x = 20,674,841.18
  5. Step 5: Solve for x
    x = 20,674,841.18/5,148.18
  6. Step 6: Final answer
    x = 4,015.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.