Home / 4,725.61-7,085.98-2,127.13

Finding the Fourth Proportional to 4,725.61, 7,085.98 and 2,127.13

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Solution

The fourth proportional to 4,725.61, 7,085.98 and 2,127.13 is: 3,189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.61 : 7,085.98 = 2,127.13 : x
  2. Step 2: Convert to fraction form
    4,725.61/7,085.98 = 2,127.13/x
  3. Step 3: Cross multiply
    4,725.61x = 7,085.98 × 2,127.13
  4. Step 4: Simplify right side
    4,725.61x = 15,072,754.57
  5. Step 5: Solve for x
    x = 15,072,754.57/4,725.61
  6. Step 6: Final answer
    x = 3,189.59

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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.