Home / 4,320.73-6,479.48-1,854.28

Finding the Fourth Proportional to 4,320.73, 6,479.48 and 1,854.28

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Solution

The fourth proportional to 4,320.73, 6,479.48 and 1,854.28 is: 2,780.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.73 : 6,479.48 = 1,854.28 : x
  2. Step 2: Convert to fraction form
    4,320.73/6,479.48 = 1,854.28/x
  3. Step 3: Cross multiply
    4,320.73x = 6,479.48 × 1,854.28
  4. Step 4: Simplify right side
    4,320.73x = 12,014,772.48
  5. Step 5: Solve for x
    x = 12,014,772.48/4,320.73
  6. Step 6: Final answer
    x = 2,780.73

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1.5x scale

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.