Home / 6,272.10-8,655.21-3,477.78

Finding the Fourth Proportional to 6,272.10, 8,655.21 and 3,477.78

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Solution

The fourth proportional to 6,272.10, 8,655.21 and 3,477.78 is: 4,799.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.10 : 8,655.21 = 3,477.78 : x
  2. Step 2: Convert to fraction form
    6,272.10/8,655.21 = 3,477.78/x
  3. Step 3: Cross multiply
    6,272.10x = 8,655.21 × 3,477.78
  4. Step 4: Simplify right side
    6,272.10x = 30,100,916.23
  5. Step 5: Solve for x
    x = 30,100,916.23/6,272.10
  6. Step 6: Final answer
    x = 4,799.18

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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.