Home / 6,412.61-9,611.62-2,712.53

Finding the Fourth Proportional to 6,412.61, 9,611.62 and 2,712.53

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Solution

The fourth proportional to 6,412.61, 9,611.62 and 2,712.53 is: 4,065.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.61 : 9,611.62 = 2,712.53 : x
  2. Step 2: Convert to fraction form
    6,412.61/9,611.62 = 2,712.53/x
  3. Step 3: Cross multiply
    6,412.61x = 9,611.62 × 2,712.53
  4. Step 4: Simplify right side
    6,412.61x = 26,071,807.60
  5. Step 5: Solve for x
    x = 26,071,807.60/6,412.61
  6. Step 6: Final answer
    x = 4,065.71

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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.