Home / 4,871.95-7,314.08-3,896.91

Finding the Fourth Proportional to 4,871.95, 7,314.08 and 3,896.91

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Solution

The fourth proportional to 4,871.95, 7,314.08 and 3,896.91 is: 5,850.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.95 : 7,314.08 = 3,896.91 : x
  2. Step 2: Convert to fraction form
    4,871.95/7,314.08 = 3,896.91/x
  3. Step 3: Cross multiply
    4,871.95x = 7,314.08 × 3,896.91
  4. Step 4: Simplify right side
    4,871.95x = 28,502,292.01
  5. Step 5: Solve for x
    x = 28,502,292.01/4,871.95
  6. Step 6: Final answer
    x = 5,850.29

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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.