Home / 7,537.05-11,306.25-1,990.32

Finding the Fourth Proportional to 7,537.05, 11,306.25 and 1,990.32

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Solution

The fourth proportional to 7,537.05, 11,306.25 and 1,990.32 is: 2,985.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.05 : 11,306.25 = 1,990.32 : x
  2. Step 2: Convert to fraction form
    7,537.05/11,306.25 = 1,990.32/x
  3. Step 3: Cross multiply
    7,537.05x = 11,306.25 × 1,990.32
  4. Step 4: Simplify right side
    7,537.05x = 22,503,055.50
  5. Step 5: Solve for x
    x = 22,503,055.50/7,537.05
  6. Step 6: Final answer
    x = 2,985.66

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Double scale
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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.