Home / 5,148.56-7,106.08-2,910.53

Finding the Fourth Proportional to 5,148.56, 7,106.08 and 2,910.53

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Solution

The fourth proportional to 5,148.56, 7,106.08 and 2,910.53 is: 4,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.56 : 7,106.08 = 2,910.53 : x
  2. Step 2: Convert to fraction form
    5,148.56/7,106.08 = 2,910.53/x
  3. Step 3: Cross multiply
    5,148.56x = 7,106.08 × 2,910.53
  4. Step 4: Simplify right side
    5,148.56x = 20,682,474.97
  5. Step 5: Solve for x
    x = 20,682,474.97/5,148.56
  6. Step 6: Final answer
    x = 4,017.14

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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.