Home / 7,458.28-10,288.97-4,768.80

Finding the Fourth Proportional to 7,458.28, 10,288.97 and 4,768.80

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Solution

The fourth proportional to 7,458.28, 10,288.97 and 4,768.80 is: 6,578.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.28 : 10,288.97 = 4,768.80 : x
  2. Step 2: Convert to fraction form
    7,458.28/10,288.97 = 4,768.80/x
  3. Step 3: Cross multiply
    7,458.28x = 10,288.97 × 4,768.80
  4. Step 4: Simplify right side
    7,458.28x = 49,066,051.35
  5. Step 5: Solve for x
    x = 49,066,051.35/7,458.28
  6. Step 6: Final answer
    x = 6,578.74

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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.