Home / 7,458.99-11,182.25-2,776.38

Finding the Fourth Proportional to 7,458.99, 11,182.25 and 2,776.38

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Solution

The fourth proportional to 7,458.99, 11,182.25 and 2,776.38 is: 4,162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.99 : 11,182.25 = 2,776.38 : x
  2. Step 2: Convert to fraction form
    7,458.99/11,182.25 = 2,776.38/x
  3. Step 3: Cross multiply
    7,458.99x = 11,182.25 × 2,776.38
  4. Step 4: Simplify right side
    7,458.99x = 31,046,140.26
  5. Step 5: Solve for x
    x = 31,046,140.26/7,458.99
  6. Step 6: Final answer
    x = 4,162.25

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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.