Home / 6,461.64-9,685.34-3,682.18

Finding the Fourth Proportional to 6,461.64, 9,685.34 and 3,682.18

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Solution

The fourth proportional to 6,461.64, 9,685.34 and 3,682.18 is: 5,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461.64 : 9,685.34 = 3,682.18 : x
  2. Step 2: Convert to fraction form
    6,461.64/9,685.34 = 3,682.18/x
  3. Step 3: Cross multiply
    6,461.64x = 9,685.34 × 3,682.18
  4. Step 4: Simplify right side
    6,461.64x = 35,663,165.24
  5. Step 5: Solve for x
    x = 35,663,165.24/6,461.64
  6. Step 6: Final answer
    x = 5,519.21

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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.