Home / 4,792.20-6,612.60-2,667.72

Finding the Fourth Proportional to 4,792.20, 6,612.60 and 2,667.72

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Solution

The fourth proportional to 4,792.20, 6,612.60 and 2,667.72 is: 3,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.20 : 6,612.60 = 2,667.72 : x
  2. Step 2: Convert to fraction form
    4,792.20/6,612.60 = 2,667.72/x
  3. Step 3: Cross multiply
    4,792.20x = 6,612.60 × 2,667.72
  4. Step 4: Simplify right side
    4,792.20x = 17,640,565.27
  5. Step 5: Solve for x
    x = 17,640,565.27/4,792.20
  6. Step 6: Final answer
    x = 3,681.10

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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.