Home / 7,317.68-10,977.89-2,574.32

Finding the Fourth Proportional to 7,317.68, 10,977.89 and 2,574.32

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Solution

The fourth proportional to 7,317.68, 10,977.89 and 2,574.32 is: 3,861.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.68 : 10,977.89 = 2,574.32 : x
  2. Step 2: Convert to fraction form
    7,317.68/10,977.89 = 2,574.32/x
  3. Step 3: Cross multiply
    7,317.68x = 10,977.89 × 2,574.32
  4. Step 4: Simplify right side
    7,317.68x = 28,260,534.02
  5. Step 5: Solve for x
    x = 28,260,534.02/7,317.68
  6. Step 6: Final answer
    x = 3,861.96

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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.