Home / 4,429.68-6,645.24-1,657.32

Finding the Fourth Proportional to 4,429.68, 6,645.24 and 1,657.32

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Solution

The fourth proportional to 4,429.68, 6,645.24 and 1,657.32 is: 2,486.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.68 : 6,645.24 = 1,657.32 : x
  2. Step 2: Convert to fraction form
    4,429.68/6,645.24 = 1,657.32/x
  3. Step 3: Cross multiply
    4,429.68x = 6,645.24 × 1,657.32
  4. Step 4: Simplify right side
    4,429.68x = 11,013,289.16
  5. Step 5: Solve for x
    x = 11,013,289.16/4,429.68
  6. Step 6: Final answer
    x = 2,486.25

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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.