Home / 7,453.74-10,286.64-4,931.49

Finding the Fourth Proportional to 7,453.74, 10,286.64 and 4,931.49

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Solution

The fourth proportional to 7,453.74, 10,286.64 and 4,931.49 is: 6,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.74 : 10,286.64 = 4,931.49 : x
  2. Step 2: Convert to fraction form
    7,453.74/10,286.64 = 4,931.49/x
  3. Step 3: Cross multiply
    7,453.74x = 10,286.64 × 4,931.49
  4. Step 4: Simplify right side
    7,453.74x = 50,728,462.29
  5. Step 5: Solve for x
    x = 50,728,462.29/7,453.74
  6. Step 6: Final answer
    x = 6,805.77

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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.