Home / 4,309.68-6,465.04-1,386.96

Finding the Fourth Proportional to 4,309.68, 6,465.04 and 1,386.96

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Solution

The fourth proportional to 4,309.68, 6,465.04 and 1,386.96 is: 2,080.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.68 : 6,465.04 = 1,386.96 : x
  2. Step 2: Convert to fraction form
    4,309.68/6,465.04 = 1,386.96/x
  3. Step 3: Cross multiply
    4,309.68x = 6,465.04 × 1,386.96
  4. Step 4: Simplify right side
    4,309.68x = 8,966,751.88
  5. Step 5: Solve for x
    x = 8,966,751.88/4,309.68
  6. Step 6: Final answer
    x = 2,080.61

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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.