Home / 6,210.80-9,320.30-2,315.08

Finding the Fourth Proportional to 6,210.80, 9,320.30 and 2,315.08

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Solution

The fourth proportional to 6,210.80, 9,320.30 and 2,315.08 is: 3,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.80 : 9,320.30 = 2,315.08 : x
  2. Step 2: Convert to fraction form
    6,210.80/9,320.30 = 2,315.08/x
  3. Step 3: Cross multiply
    6,210.80x = 9,320.30 × 2,315.08
  4. Step 4: Simplify right side
    6,210.80x = 21,577,240.12
  5. Step 5: Solve for x
    x = 21,577,240.12/6,210.80
  6. Step 6: Final answer
    x = 3,474.15

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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.