Home / 4,743.84-6,545.76-2,855.28

Finding the Fourth Proportional to 4,743.84, 6,545.76 and 2,855.28

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Solution

The fourth proportional to 4,743.84, 6,545.76 and 2,855.28 is: 3,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.84 : 6,545.76 = 2,855.28 : x
  2. Step 2: Convert to fraction form
    4,743.84/6,545.76 = 2,855.28/x
  3. Step 3: Cross multiply
    4,743.84x = 6,545.76 × 2,855.28
  4. Step 4: Simplify right side
    4,743.84x = 18,689,977.61
  5. Step 5: Solve for x
    x = 18,689,977.61/4,743.84
  6. Step 6: Final answer
    x = 3,939.84

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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.