Home / 5,821.60-8,732.40-1,926.00

Finding the Fourth Proportional to 5,821.60, 8,732.40 and 1,926.00

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Solution

The fourth proportional to 5,821.60, 8,732.40 and 1,926.00 is: 2,889.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.60 : 8,732.40 = 1,926.00 : x
  2. Step 2: Convert to fraction form
    5,821.60/8,732.40 = 1,926.00/x
  3. Step 3: Cross multiply
    5,821.60x = 8,732.40 × 1,926.00
  4. Step 4: Simplify right side
    5,821.60x = 16,818,603.69
  5. Step 5: Solve for x
    x = 16,818,603.69/5,821.60
  6. Step 6: Final answer
    x = 2,889.00

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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.