Home / 5,120.16-7,667.93-2,922.23

Finding the Fourth Proportional to 5,120.16, 7,667.93 and 2,922.23

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Solution

The fourth proportional to 5,120.16, 7,667.93 and 2,922.23 is: 4,376.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120.16 : 7,667.93 = 2,922.23 : x
  2. Step 2: Convert to fraction form
    5,120.16/7,667.93 = 2,922.23/x
  3. Step 3: Cross multiply
    5,120.16x = 7,667.93 × 2,922.23
  4. Step 4: Simplify right side
    5,120.16x = 22,407,402.13
  5. Step 5: Solve for x
    x = 22,407,402.13/5,120.16
  6. Step 6: Final answer
    x = 4,376.31

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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.