Home / 4,714.40-6,505.84-2,618.56

Finding the Fourth Proportional to 4,714.40, 6,505.84 and 2,618.56

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Solution

The fourth proportional to 4,714.40, 6,505.84 and 2,618.56 is: 3,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,714.40 : 6,505.84 = 2,618.56 : x
  2. Step 2: Convert to fraction form
    4,714.40/6,505.84 = 2,618.56/x
  3. Step 3: Cross multiply
    4,714.40x = 6,505.84 × 2,618.56
  4. Step 4: Simplify right side
    4,714.40x = 17,035,932.39
  5. Step 5: Solve for x
    x = 17,035,932.39/4,714.40
  6. Step 6: Final answer
    x = 3,613.60

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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.