Home / 4,390.16-6,578.32-1,613

Finding the Fourth Proportional to 4,390.16, 6,578.32 and 1,613

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Solution

The fourth proportional to 4,390.16, 6,578.32 and 1,613 is: 2,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.16 : 6,578.32 = 1,613 : x
  2. Step 2: Convert to fraction form
    4,390.16/6,578.32 = 1,613/x
  3. Step 3: Cross multiply
    4,390.16x = 6,578.32 × 1,613
  4. Step 4: Simplify right side
    4,390.16x = 10,610,830.16
  5. Step 5: Solve for x
    x = 10,610,830.16/4,390.16
  6. Step 6: Final answer
    x = 2,416.96

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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.