Home / 6,215.13-9,319.86-2,705.00

Finding the Fourth Proportional to 6,215.13, 9,319.86 and 2,705.00

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Solution

The fourth proportional to 6,215.13, 9,319.86 and 2,705.00 is: 4,056.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.13 : 9,319.86 = 2,705.00 : x
  2. Step 2: Convert to fraction form
    6,215.13/9,319.86 = 2,705.00/x
  3. Step 3: Cross multiply
    6,215.13x = 9,319.86 × 2,705.00
  4. Step 4: Simplify right side
    6,215.13x = 25,210,174.70
  5. Step 5: Solve for x
    x = 25,210,174.70/6,215.13
  6. Step 6: Final answer
    x = 4,056.26

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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.