Home / 4,320.66-6,479.61-1,854.82

Finding the Fourth Proportional to 4,320.66, 6,479.61 and 1,854.82

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Solution

The fourth proportional to 4,320.66, 6,479.61 and 1,854.82 is: 2,781.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.66 : 6,479.61 = 1,854.82 : x
  2. Step 2: Convert to fraction form
    4,320.66/6,479.61 = 1,854.82/x
  3. Step 3: Cross multiply
    4,320.66x = 6,479.61 × 1,854.82
  4. Step 4: Simplify right side
    4,320.66x = 12,018,510.22
  5. Step 5: Solve for x
    x = 12,018,510.22/4,320.66
  6. Step 6: Final answer
    x = 2,781.64

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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.