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Finding the Fourth Proportional to 4,695.39, 6,491.79 and 4,488.84

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Solution

The fourth proportional to 4,695.39, 6,491.79 and 4,488.84 is: 6,206.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.39 : 6,491.79 = 4,488.84 : x
  2. Step 2: Convert to fraction form
    4,695.39/6,491.79 = 4,488.84/x
  3. Step 3: Cross multiply
    4,695.39x = 6,491.79 × 4,488.84
  4. Step 4: Simplify right side
    4,695.39x = 29,140,606.62
  5. Step 5: Solve for x
    x = 29,140,606.62/4,695.39
  6. Step 6: Final answer
    x = 6,206.22

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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.