Home / 4,976.72-6,870.51-3,855.14

Finding the Fourth Proportional to 4,976.72, 6,870.51 and 3,855.14

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Solution

The fourth proportional to 4,976.72, 6,870.51 and 3,855.14 is: 5,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.72 : 6,870.51 = 3,855.14 : x
  2. Step 2: Convert to fraction form
    4,976.72/6,870.51 = 3,855.14/x
  3. Step 3: Cross multiply
    4,976.72x = 6,870.51 × 3,855.14
  4. Step 4: Simplify right side
    4,976.72x = 26,486,743.57
  5. Step 5: Solve for x
    x = 26,486,743.57/4,976.72
  6. Step 6: Final answer
    x = 5,322.13

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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.