Home / 7,555.87-11,333.45-2,557.91

Finding the Fourth Proportional to 7,555.87, 11,333.45 and 2,557.91

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Solution

The fourth proportional to 7,555.87, 11,333.45 and 2,557.91 is: 3,836.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.87 : 11,333.45 = 2,557.91 : x
  2. Step 2: Convert to fraction form
    7,555.87/11,333.45 = 2,557.91/x
  3. Step 3: Cross multiply
    7,555.87x = 11,333.45 × 2,557.91
  4. Step 4: Simplify right side
    7,555.87x = 28,989,945.09
  5. Step 5: Solve for x
    x = 28,989,945.09/7,555.87
  6. Step 6: Final answer
    x = 3,836.74

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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.