Home / 7,618.71-11,399.34-4,500.45

Finding the Fourth Proportional to 7,618.71, 11,399.34 and 4,500.45

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Solution

The fourth proportional to 7,618.71, 11,399.34 and 4,500.45 is: 6,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.71 : 11,399.34 = 4,500.45 : x
  2. Step 2: Convert to fraction form
    7,618.71/11,399.34 = 4,500.45/x
  3. Step 3: Cross multiply
    7,618.71x = 11,399.34 × 4,500.45
  4. Step 4: Simplify right side
    7,618.71x = 51,302,159.70
  5. Step 5: Solve for x
    x = 51,302,159.70/7,618.71
  6. Step 6: Final answer
    x = 6,733.71

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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.