Home / 4,384.17-6,579.90-1,920.15

Finding the Fourth Proportional to 4,384.17, 6,579.90 and 1,920.15

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Solution

The fourth proportional to 4,384.17, 6,579.90 and 1,920.15 is: 2,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,384.17 : 6,579.90 = 1,920.15 : x
  2. Step 2: Convert to fraction form
    4,384.17/6,579.90 = 1,920.15/x
  3. Step 3: Cross multiply
    4,384.17x = 6,579.90 × 1,920.15
  4. Step 4: Simplify right side
    4,384.17x = 12,634,394.99
  5. Step 5: Solve for x
    x = 12,634,394.99/4,384.17
  6. Step 6: Final answer
    x = 2,881.82

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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.