Home / 7,431.66-11,147.52-1,885.01

Finding the Fourth Proportional to 7,431.66, 11,147.52 and 1,885.01

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Solution

The fourth proportional to 7,431.66, 11,147.52 and 1,885.01 is: 2,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.66 : 11,147.52 = 1,885.01 : x
  2. Step 2: Convert to fraction form
    7,431.66/11,147.52 = 1,885.01/x
  3. Step 3: Cross multiply
    7,431.66x = 11,147.52 × 1,885.01
  4. Step 4: Simplify right side
    7,431.66x = 21,013,130.94
  5. Step 5: Solve for x
    x = 21,013,130.94/7,431.66
  6. Step 6: Final answer
    x = 2,827.52

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.