Home / 5,385.65-7,427.73-3,797.58

Finding the Fourth Proportional to 5,385.65, 7,427.73 and 3,797.58

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Solution

The fourth proportional to 5,385.65, 7,427.73 and 3,797.58 is: 5,237.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.65 : 7,427.73 = 3,797.58 : x
  2. Step 2: Convert to fraction form
    5,385.65/7,427.73 = 3,797.58/x
  3. Step 3: Cross multiply
    5,385.65x = 7,427.73 × 3,797.58
  4. Step 4: Simplify right side
    5,385.65x = 28,207,398.89
  5. Step 5: Solve for x
    x = 28,207,398.89/5,385.65
  6. Step 6: Final answer
    x = 5,237.52

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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.