Home / 4,979.22-6,871.65-2,883.35

Finding the Fourth Proportional to 4,979.22, 6,871.65 and 2,883.35

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Solution

The fourth proportional to 4,979.22, 6,871.65 and 2,883.35 is: 3,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.22 : 6,871.65 = 2,883.35 : x
  2. Step 2: Convert to fraction form
    4,979.22/6,871.65 = 2,883.35/x
  3. Step 3: Cross multiply
    4,979.22x = 6,871.65 × 2,883.35
  4. Step 4: Simplify right side
    4,979.22x = 19,813,337.67
  5. Step 5: Solve for x
    x = 19,813,337.67/4,979.22
  6. Step 6: Final answer
    x = 3,979.21

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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.