Home / 4,376.01-6,561.59-2,990.91

Finding the Fourth Proportional to 4,376.01, 6,561.59 and 2,990.91

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Solution

The fourth proportional to 4,376.01, 6,561.59 and 2,990.91 is: 4,484.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.01 : 6,561.59 = 2,990.91 : x
  2. Step 2: Convert to fraction form
    4,376.01/6,561.59 = 2,990.91/x
  3. Step 3: Cross multiply
    4,376.01x = 6,561.59 × 2,990.91
  4. Step 4: Simplify right side
    4,376.01x = 19,625,132.62
  5. Step 5: Solve for x
    x = 19,625,132.62/4,376.01
  6. Step 6: Final answer
    x = 4,484.71

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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.