Home / 5,152.28-7,109.67-2,914.35

Finding the Fourth Proportional to 5,152.28, 7,109.67 and 2,914.35

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Solution

The fourth proportional to 5,152.28, 7,109.67 and 2,914.35 is: 4,021.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.28 : 7,109.67 = 2,914.35 : x
  2. Step 2: Convert to fraction form
    5,152.28/7,109.67 = 2,914.35/x
  3. Step 3: Cross multiply
    5,152.28x = 7,109.67 × 2,914.35
  4. Step 4: Simplify right side
    5,152.28x = 20,720,066.76
  5. Step 5: Solve for x
    x = 20,720,066.76/5,152.28
  6. Step 6: Final answer
    x = 4,021.53

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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.