Home / 7,779.38-11,665.28-2,583.50

Finding the Fourth Proportional to 7,779.38, 11,665.28 and 2,583.50

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Solution

The fourth proportional to 7,779.38, 11,665.28 and 2,583.50 is: 3,873.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.38 : 11,665.28 = 2,583.50 : x
  2. Step 2: Convert to fraction form
    7,779.38/11,665.28 = 2,583.50/x
  3. Step 3: Cross multiply
    7,779.38x = 11,665.28 × 2,583.50
  4. Step 4: Simplify right side
    7,779.38x = 30,137,250.88
  5. Step 5: Solve for x
    x = 30,137,250.88/7,779.38
  6. Step 6: Final answer
    x = 3,873.99

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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.