Home / 6,215.64-9,321.10-2,054.40

Finding the Fourth Proportional to 6,215.64, 9,321.10 and 2,054.40

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Solution

The fourth proportional to 6,215.64, 9,321.10 and 2,054.40 is: 3,080.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.64 : 9,321.10 = 2,054.40 : x
  2. Step 2: Convert to fraction form
    6,215.64/9,321.10 = 2,054.40/x
  3. Step 3: Cross multiply
    6,215.64x = 9,321.10 × 2,054.40
  4. Step 4: Simplify right side
    6,215.64x = 19,149,267.84
  5. Step 5: Solve for x
    x = 19,149,267.84/6,215.64
  6. Step 6: Final answer
    x = 3,080.82

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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.