Home / 5,298.25-7,947.37-4,947.95

Finding the Fourth Proportional to 5,298.25, 7,947.37 and 4,947.95

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Solution

The fourth proportional to 5,298.25, 7,947.37 and 4,947.95 is: 7,421.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.25 : 7,947.37 = 4,947.95 : x
  2. Step 2: Convert to fraction form
    5,298.25/7,947.37 = 4,947.95/x
  3. Step 3: Cross multiply
    5,298.25x = 7,947.37 × 4,947.95
  4. Step 4: Simplify right side
    5,298.25x = 39,323,196.89
  5. Step 5: Solve for x
    x = 39,323,196.89/5,298.25
  6. Step 6: Final answer
    x = 7,421.93

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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.