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Finding the Fourth Proportional to 4,653.74, 6,422.94 and 4,499.91

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Solution

The fourth proportional to 4,653.74, 6,422.94 and 4,499.91 is: 6,210.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.74 : 6,422.94 = 4,499.91 : x
  2. Step 2: Convert to fraction form
    4,653.74/6,422.94 = 4,499.91/x
  3. Step 3: Cross multiply
    4,653.74x = 6,422.94 × 4,499.91
  4. Step 4: Simplify right side
    4,653.74x = 28,902,651.94
  5. Step 5: Solve for x
    x = 28,902,651.94/4,653.74
  6. Step 6: Final answer
    x = 6,210.64

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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.