Home / 6,215.40-9,320.61-2,705.16

Finding the Fourth Proportional to 6,215.40, 9,320.61 and 2,705.16

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Solution

The fourth proportional to 6,215.40, 9,320.61 and 2,705.16 is: 4,056.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.40 : 9,320.61 = 2,705.16 : x
  2. Step 2: Convert to fraction form
    6,215.40/9,320.61 = 2,705.16/x
  3. Step 3: Cross multiply
    6,215.40x = 9,320.61 × 2,705.16
  4. Step 4: Simplify right side
    6,215.40x = 25,213,741.35
  5. Step 5: Solve for x
    x = 25,213,741.35/6,215.40
  6. Step 6: Final answer
    x = 4,056.66

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1.5x scale

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.