Home / 5,725.72-7,900.68-3,335.02

Finding the Fourth Proportional to 5,725.72, 7,900.68 and 3,335.02

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Solution

The fourth proportional to 5,725.72, 7,900.68 and 3,335.02 is: 4,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.72 : 7,900.68 = 3,335.02 : x
  2. Step 2: Convert to fraction form
    5,725.72/7,900.68 = 3,335.02/x
  3. Step 3: Cross multiply
    5,725.72x = 7,900.68 × 3,335.02
  4. Step 4: Simplify right side
    5,725.72x = 26,348,925.81
  5. Step 5: Solve for x
    x = 26,348,925.81/5,725.72
  6. Step 6: Final answer
    x = 4,601.85

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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.