Home / 4,725.10-6,520.80-2,708.86

Finding the Fourth Proportional to 4,725.10, 6,520.80 and 2,708.86

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Solution

The fourth proportional to 4,725.10, 6,520.80 and 2,708.86 is: 3,738.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.10 : 6,520.80 = 2,708.86 : x
  2. Step 2: Convert to fraction form
    4,725.10/6,520.80 = 2,708.86/x
  3. Step 3: Cross multiply
    4,725.10x = 6,520.80 × 2,708.86
  4. Step 4: Simplify right side
    4,725.10x = 17,663,934.29
  5. Step 5: Solve for x
    x = 17,663,934.29/4,725.10
  6. Step 6: Final answer
    x = 3,738.32

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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.