Home / 4,284.86-6,429.29-1,513.62

Finding the Fourth Proportional to 4,284.86, 6,429.29 and 1,513.62

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Solution

The fourth proportional to 4,284.86, 6,429.29 and 1,513.62 is: 2,271.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.86 : 6,429.29 = 1,513.62 : x
  2. Step 2: Convert to fraction form
    4,284.86/6,429.29 = 1,513.62/x
  3. Step 3: Cross multiply
    4,284.86x = 6,429.29 × 1,513.62
  4. Step 4: Simplify right side
    4,284.86x = 9,731,494.36
  5. Step 5: Solve for x
    x = 9,731,494.36/4,284.86
  6. Step 6: Final answer
    x = 2,271.14

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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.