Home / 6,407.80-9,612.32-2,025.29

Finding the Fourth Proportional to 6,407.80, 9,612.32 and 2,025.29

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Solution

The fourth proportional to 6,407.80, 9,612.32 and 2,025.29 is: 3,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407.80 : 9,612.32 = 2,025.29 : x
  2. Step 2: Convert to fraction form
    6,407.80/9,612.32 = 2,025.29/x
  3. Step 3: Cross multiply
    6,407.80x = 9,612.32 × 2,025.29
  4. Step 4: Simplify right side
    6,407.80x = 19,467,749.48
  5. Step 5: Solve for x
    x = 19,467,749.48/6,407.80
  6. Step 6: Final answer
    x = 3,038.13

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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.