Home / 7,488.84-10,338.78-5,257.56

Finding the Fourth Proportional to 7,488.84, 10,338.78 and 5,257.56

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Solution

The fourth proportional to 7,488.84, 10,338.78 and 5,257.56 is: 7,258.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.84 : 10,338.78 = 5,257.56 : x
  2. Step 2: Convert to fraction form
    7,488.84/10,338.78 = 5,257.56/x
  3. Step 3: Cross multiply
    7,488.84x = 10,338.78 × 5,257.56
  4. Step 4: Simplify right side
    7,488.84x = 54,356,756.18
  5. Step 5: Solve for x
    x = 54,356,756.18/7,488.84
  6. Step 6: Final answer
    x = 7,258.37

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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.