Home / 5,377.72-8,020.61-4,723.91

Finding the Fourth Proportional to 5,377.72, 8,020.61 and 4,723.91

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Solution

The fourth proportional to 5,377.72, 8,020.61 and 4,723.91 is: 7,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.72 : 8,020.61 = 4,723.91 : x
  2. Step 2: Convert to fraction form
    5,377.72/8,020.61 = 4,723.91/x
  3. Step 3: Cross multiply
    5,377.72x = 8,020.61 × 4,723.91
  4. Step 4: Simplify right side
    5,377.72x = 37,888,639.79
  5. Step 5: Solve for x
    x = 37,888,639.79/5,377.72
  6. Step 6: Final answer
    x = 7,045.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.