Home / 6,602.67-9,111.70-3,618.62

Finding the Fourth Proportional to 6,602.67, 9,111.70 and 3,618.62

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Solution

The fourth proportional to 6,602.67, 9,111.70 and 3,618.62 is: 4,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.67 : 9,111.70 = 3,618.62 : x
  2. Step 2: Convert to fraction form
    6,602.67/9,111.70 = 3,618.62/x
  3. Step 3: Cross multiply
    6,602.67x = 9,111.70 × 3,618.62
  4. Step 4: Simplify right side
    6,602.67x = 32,971,725.25
  5. Step 5: Solve for x
    x = 32,971,725.25/6,602.67
  6. Step 6: Final answer
    x = 4,993.70

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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.