Home / 7,039.54-10,557.74-2,108.55

Finding the Fourth Proportional to 7,039.54, 10,557.74 and 2,108.55

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Solution

The fourth proportional to 7,039.54, 10,557.74 and 2,108.55 is: 3,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.54 : 10,557.74 = 2,108.55 : x
  2. Step 2: Convert to fraction form
    7,039.54/10,557.74 = 2,108.55/x
  3. Step 3: Cross multiply
    7,039.54x = 10,557.74 × 2,108.55
  4. Step 4: Simplify right side
    7,039.54x = 22,261,522.68
  5. Step 5: Solve for x
    x = 22,261,522.68/7,039.54
  6. Step 6: Final answer
    x = 3,162.35

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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.