Home / 6,606.21-9,116.16-3,621.47

Finding the Fourth Proportional to 6,606.21, 9,116.16 and 3,621.47

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Solution

The fourth proportional to 6,606.21, 9,116.16 and 3,621.47 is: 4,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.21 : 9,116.16 = 3,621.47 : x
  2. Step 2: Convert to fraction form
    6,606.21/9,116.16 = 3,621.47/x
  3. Step 3: Cross multiply
    6,606.21x = 9,116.16 × 3,621.47
  4. Step 4: Simplify right side
    6,606.21x = 33,013,854.37
  5. Step 5: Solve for x
    x = 33,013,854.37/6,606.21
  6. Step 6: Final answer
    x = 4,997.40

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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.