Home / 5,681.67-8,526.40-1,983.90

Finding the Fourth Proportional to 5,681.67, 8,526.40 and 1,983.90

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Solution

The fourth proportional to 5,681.67, 8,526.40 and 1,983.90 is: 2,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.67 : 8,526.40 = 1,983.90 : x
  2. Step 2: Convert to fraction form
    5,681.67/8,526.40 = 1,983.90/x
  3. Step 3: Cross multiply
    5,681.67x = 8,526.40 × 1,983.90
  4. Step 4: Simplify right side
    5,681.67x = 16,915,529.92
  5. Step 5: Solve for x
    x = 16,915,529.92/5,681.67
  6. Step 6: Final answer
    x = 2,977.21

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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.