Home / 5,478.87-7,553.47-3,587.18

Finding the Fourth Proportional to 5,478.87, 7,553.47 and 3,587.18

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Solution

The fourth proportional to 5,478.87, 7,553.47 and 3,587.18 is: 4,945.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.87 : 7,553.47 = 3,587.18 : x
  2. Step 2: Convert to fraction form
    5,478.87/7,553.47 = 3,587.18/x
  3. Step 3: Cross multiply
    5,478.87x = 7,553.47 × 3,587.18
  4. Step 4: Simplify right side
    5,478.87x = 27,095,638.58
  5. Step 5: Solve for x
    x = 27,095,638.58/5,478.87
  6. Step 6: Final answer
    x = 4,945.48

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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.