Home / 6,621.13-9,977.61-5,998.34

Finding the Fourth Proportional to 6,621.13, 9,977.61 and 5,998.34

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Solution

The fourth proportional to 6,621.13, 9,977.61 and 5,998.34 is: 9,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.13 : 9,977.61 = 5,998.34 : x
  2. Step 2: Convert to fraction form
    6,621.13/9,977.61 = 5,998.34/x
  3. Step 3: Cross multiply
    6,621.13x = 9,977.61 × 5,998.34
  4. Step 4: Simplify right side
    6,621.13x = 59,849,144.61
  5. Step 5: Solve for x
    x = 59,849,144.61/6,621.13
  6. Step 6: Final answer
    x = 9,039.11

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.