Home / 6,206.10-9,315.31-2,921.50

Finding the Fourth Proportional to 6,206.10, 9,315.31 and 2,921.50

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Solution

The fourth proportional to 6,206.10, 9,315.31 and 2,921.50 is: 4,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,206.10 : 9,315.31 = 2,921.50 : x
  2. Step 2: Convert to fraction form
    6,206.10/9,315.31 = 2,921.50/x
  3. Step 3: Cross multiply
    6,206.10x = 9,315.31 × 2,921.50
  4. Step 4: Simplify right side
    6,206.10x = 27,214,678.17
  5. Step 5: Solve for x
    x = 27,214,678.17/6,206.10
  6. Step 6: Final answer
    x = 4,385.15

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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.