Home / 9,080.17-13,621.77-2,840.79

Finding the Fourth Proportional to 9,080.17, 13,621.77 and 2,840.79

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Solution

The fourth proportional to 9,080.17, 13,621.77 and 2,840.79 is: 4,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,080.17 : 13,621.77 = 2,840.79 : x
  2. Step 2: Convert to fraction form
    9,080.17/13,621.77 = 2,840.79/x
  3. Step 3: Cross multiply
    9,080.17x = 13,621.77 × 2,840.79
  4. Step 4: Simplify right side
    9,080.17x = 38,696,562.46
  5. Step 5: Solve for x
    x = 38,696,562.46/9,080.17
  6. Step 6: Final answer
    x = 4,261.66

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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.