Home / 5,326.29-7,349.67-3,087.70

Finding the Fourth Proportional to 5,326.29, 7,349.67 and 3,087.70

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Solution

The fourth proportional to 5,326.29, 7,349.67 and 3,087.70 is: 4,260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.29 : 7,349.67 = 3,087.70 : x
  2. Step 2: Convert to fraction form
    5,326.29/7,349.67 = 3,087.70/x
  3. Step 3: Cross multiply
    5,326.29x = 7,349.67 × 3,087.70
  4. Step 4: Simplify right side
    5,326.29x = 22,693,557.68
  5. Step 5: Solve for x
    x = 22,693,557.68/5,326.29
  6. Step 6: Final answer
    x = 4,260.67

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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.