Home / 5,285.31-7,293.99-3,047.55

Finding the Fourth Proportional to 5,285.31, 7,293.99 and 3,047.55

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Solution

The fourth proportional to 5,285.31, 7,293.99 and 3,047.55 is: 4,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.31 : 7,293.99 = 3,047.55 : x
  2. Step 2: Convert to fraction form
    5,285.31/7,293.99 = 3,047.55/x
  3. Step 3: Cross multiply
    5,285.31x = 7,293.99 × 3,047.55
  4. Step 4: Simplify right side
    5,285.31x = 22,228,799.22
  5. Step 5: Solve for x
    x = 22,228,799.22/5,285.31
  6. Step 6: Final answer
    x = 4,205.77

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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.