Home / 4,973.12-6,871.20-4,143.68

Finding the Fourth Proportional to 4,973.12, 6,871.20 and 4,143.68

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Solution

The fourth proportional to 4,973.12, 6,871.20 and 4,143.68 is: 5,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.12 : 6,871.20 = 4,143.68 : x
  2. Step 2: Convert to fraction form
    4,973.12/6,871.20 = 4,143.68/x
  3. Step 3: Cross multiply
    4,973.12x = 6,871.20 × 4,143.68
  4. Step 4: Simplify right side
    4,973.12x = 28,472,054.02
  5. Step 5: Solve for x
    x = 28,472,054.02/4,973.12
  6. Step 6: Final answer
    x = 5,725.19

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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.