Home / 5,851.19-8,077.57-3,972.71

Finding the Fourth Proportional to 5,851.19, 8,077.57 and 3,972.71

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Solution

The fourth proportional to 5,851.19, 8,077.57 and 3,972.71 is: 5,484.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.19 : 8,077.57 = 3,972.71 : x
  2. Step 2: Convert to fraction form
    5,851.19/8,077.57 = 3,972.71/x
  3. Step 3: Cross multiply
    5,851.19x = 8,077.57 × 3,972.71
  4. Step 4: Simplify right side
    5,851.19x = 32,089,792.80
  5. Step 5: Solve for x
    x = 32,089,792.80/5,851.19
  6. Step 6: Final answer
    x = 5,484.32

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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.