Home / 6,621.29-9,922.94-3,655.32

Finding the Fourth Proportional to 6,621.29, 9,922.94 and 3,655.32

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Solution

The fourth proportional to 6,621.29, 9,922.94 and 3,655.32 is: 5,478.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.29 : 9,922.94 = 3,655.32 : x
  2. Step 2: Convert to fraction form
    6,621.29/9,922.94 = 3,655.32/x
  3. Step 3: Cross multiply
    6,621.29x = 9,922.94 × 3,655.32
  4. Step 4: Simplify right side
    6,621.29x = 36,271,533.20
  5. Step 5: Solve for x
    x = 36,271,533.20/6,621.29
  6. Step 6: Final answer
    x = 5,478.01

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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.