Home / 6,512.79-9,772.22-3,880.23

Finding the Fourth Proportional to 6,512.79, 9,772.22 and 3,880.23

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Solution

The fourth proportional to 6,512.79, 9,772.22 and 3,880.23 is: 5,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512.79 : 9,772.22 = 3,880.23 : x
  2. Step 2: Convert to fraction form
    6,512.79/9,772.22 = 3,880.23/x
  3. Step 3: Cross multiply
    6,512.79x = 9,772.22 × 3,880.23
  4. Step 4: Simplify right side
    6,512.79x = 37,918,461.21
  5. Step 5: Solve for x
    x = 37,918,461.21/6,512.79
  6. Step 6: Final answer
    x = 5,822.15

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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.