Home / 4,210.80-6,312.77-1,576.82

Finding the Fourth Proportional to 4,210.80, 6,312.77 and 1,576.82

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Solution

The fourth proportional to 4,210.80, 6,312.77 and 1,576.82 is: 2,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.80 : 6,312.77 = 1,576.82 : x
  2. Step 2: Convert to fraction form
    4,210.80/6,312.77 = 1,576.82/x
  3. Step 3: Cross multiply
    4,210.80x = 6,312.77 × 1,576.82
  4. Step 4: Simplify right side
    4,210.80x = 9,954,115.80
  5. Step 5: Solve for x
    x = 9,954,115.80/4,210.80
  6. Step 6: Final answer
    x = 2,363.95

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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.