Home / 4,725.48-7,079.76-2,643.06

Finding the Fourth Proportional to 4,725.48, 7,079.76 and 2,643.06

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Solution

The fourth proportional to 4,725.48, 7,079.76 and 2,643.06 is: 3,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.48 : 7,079.76 = 2,643.06 : x
  2. Step 2: Convert to fraction form
    4,725.48/7,079.76 = 2,643.06/x
  3. Step 3: Cross multiply
    4,725.48x = 7,079.76 × 2,643.06
  4. Step 4: Simplify right side
    4,725.48x = 18,712,230.47
  5. Step 5: Solve for x
    x = 18,712,230.47/4,725.48
  6. Step 6: Final answer
    x = 3,959.86

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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.