Home / 5,284.01-7,928.45-2,688.77

Finding the Fourth Proportional to 5,284.01, 7,928.45 and 2,688.77

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Solution

The fourth proportional to 5,284.01, 7,928.45 and 2,688.77 is: 4,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.01 : 7,928.45 = 2,688.77 : x
  2. Step 2: Convert to fraction form
    5,284.01/7,928.45 = 2,688.77/x
  3. Step 3: Cross multiply
    5,284.01x = 7,928.45 × 2,688.77
  4. Step 4: Simplify right side
    5,284.01x = 21,317,778.51
  5. Step 5: Solve for x
    x = 21,317,778.51/5,284.01
  6. Step 6: Final answer
    x = 4,034.39

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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.