Home / 4,545.91-6,271.14-3,220.30

Finding the Fourth Proportional to 4,545.91, 6,271.14 and 3,220.30

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Solution

The fourth proportional to 4,545.91, 6,271.14 and 3,220.30 is: 4,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.91 : 6,271.14 = 3,220.30 : x
  2. Step 2: Convert to fraction form
    4,545.91/6,271.14 = 3,220.30/x
  3. Step 3: Cross multiply
    4,545.91x = 6,271.14 × 3,220.30
  4. Step 4: Simplify right side
    4,545.91x = 20,194,952.14
  5. Step 5: Solve for x
    x = 20,194,952.14/4,545.91
  6. Step 6: Final answer
    x = 4,442.44

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.