Home / 7,511.87-10,366.55-4,154.75

Finding the Fourth Proportional to 7,511.87, 10,366.55 and 4,154.75

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Solution

The fourth proportional to 7,511.87, 10,366.55 and 4,154.75 is: 5,733.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.87 : 10,366.55 = 4,154.75 : x
  2. Step 2: Convert to fraction form
    7,511.87/10,366.55 = 4,154.75/x
  3. Step 3: Cross multiply
    7,511.87x = 10,366.55 × 4,154.75
  4. Step 4: Simplify right side
    7,511.87x = 43,070,351.01
  5. Step 5: Solve for x
    x = 43,070,351.01/7,511.87
  6. Step 6: Final answer
    x = 5,733.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.