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Finding the Fourth Proportional to 4,708.74, 6,498.21 and 2,719.26

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Solution

The fourth proportional to 4,708.74, 6,498.21 and 2,719.26 is: 3,752.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708.74 : 6,498.21 = 2,719.26 : x
  2. Step 2: Convert to fraction form
    4,708.74/6,498.21 = 2,719.26/x
  3. Step 3: Cross multiply
    4,708.74x = 6,498.21 × 2,719.26
  4. Step 4: Simplify right side
    4,708.74x = 17,670,322.52
  5. Step 5: Solve for x
    x = 17,670,322.52/4,708.74
  6. Step 6: Final answer
    x = 3,752.66

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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.