Home / 5,725.68-7,901.51-3,487.65

Finding the Fourth Proportional to 5,725.68, 7,901.51 and 3,487.65

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Solution

The fourth proportional to 5,725.68, 7,901.51 and 3,487.65 is: 4,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.68 : 7,901.51 = 3,487.65 : x
  2. Step 2: Convert to fraction form
    5,725.68/7,901.51 = 3,487.65/x
  3. Step 3: Cross multiply
    5,725.68x = 7,901.51 × 3,487.65
  4. Step 4: Simplify right side
    5,725.68x = 27,557,701.35
  5. Step 5: Solve for x
    x = 27,557,701.35/5,725.68
  6. Step 6: Final answer
    x = 4,813.00

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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.