Home / 5,284.14-7,920.50-3,436.58

Finding the Fourth Proportional to 5,284.14, 7,920.50 and 3,436.58

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Solution

The fourth proportional to 5,284.14, 7,920.50 and 3,436.58 is: 5,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.14 : 7,920.50 = 3,436.58 : x
  2. Step 2: Convert to fraction form
    5,284.14/7,920.50 = 3,436.58/x
  3. Step 3: Cross multiply
    5,284.14x = 7,920.50 × 3,436.58
  4. Step 4: Simplify right side
    5,284.14x = 27,219,449.36
  5. Step 5: Solve for x
    x = 27,219,449.36/5,284.14
  6. Step 6: Final answer
    x = 5,151.16

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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.