Home / 4,275.60-6,411.48-1,809.15

Finding the Fourth Proportional to 4,275.60, 6,411.48 and 1,809.15

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Solution

The fourth proportional to 4,275.60, 6,411.48 and 1,809.15 is: 2,712.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.60 : 6,411.48 = 1,809.15 : x
  2. Step 2: Convert to fraction form
    4,275.60/6,411.48 = 1,809.15/x
  3. Step 3: Cross multiply
    4,275.60x = 6,411.48 × 1,809.15
  4. Step 4: Simplify right side
    4,275.60x = 11,599,329.04
  5. Step 5: Solve for x
    x = 11,599,329.04/4,275.60
  6. Step 6: Final answer
    x = 2,712.91

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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.