Home / 5,681.49-8,522.29-1,983.72

Finding the Fourth Proportional to 5,681.49, 8,522.29 and 1,983.72

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Solution

The fourth proportional to 5,681.49, 8,522.29 and 1,983.72 is: 2,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.49 : 8,522.29 = 1,983.72 : x
  2. Step 2: Convert to fraction form
    5,681.49/8,522.29 = 1,983.72/x
  3. Step 3: Cross multiply
    5,681.49x = 8,522.29 × 1,983.72
  4. Step 4: Simplify right side
    5,681.49x = 16,905,871.56
  5. Step 5: Solve for x
    x = 16,905,871.56/5,681.49
  6. Step 6: Final answer
    x = 2,975.61

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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.