Home / 4,463.65-6,690.43-1,688.59

Finding the Fourth Proportional to 4,463.65, 6,690.43 and 1,688.59

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Solution

The fourth proportional to 4,463.65, 6,690.43 and 1,688.59 is: 2,530.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,463.65 : 6,690.43 = 1,688.59 : x
  2. Step 2: Convert to fraction form
    4,463.65/6,690.43 = 1,688.59/x
  3. Step 3: Cross multiply
    4,463.65x = 6,690.43 × 1,688.59
  4. Step 4: Simplify right side
    4,463.65x = 11,297,393.19
  5. Step 5: Solve for x
    x = 11,297,393.19/4,463.65
  6. Step 6: Final answer
    x = 2,530.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.