Home / 7,089.66-10,627.61-3,390.93

Finding the Fourth Proportional to 7,089.66, 10,627.61 and 3,390.93

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Solution

The fourth proportional to 7,089.66, 10,627.61 and 3,390.93 is: 5,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.66 : 10,627.61 = 3,390.93 : x
  2. Step 2: Convert to fraction form
    7,089.66/10,627.61 = 3,390.93/x
  3. Step 3: Cross multiply
    7,089.66x = 10,627.61 × 3,390.93
  4. Step 4: Simplify right side
    7,089.66x = 36,037,464.62
  5. Step 5: Solve for x
    x = 36,037,464.62/7,089.66
  6. Step 6: Final answer
    x = 5,083.10

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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.