Home / 5,318.84-7,339.02-3,080.80

Finding the Fourth Proportional to 5,318.84, 7,339.02 and 3,080.80

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Solution

The fourth proportional to 5,318.84, 7,339.02 and 3,080.80 is: 4,250.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.84 : 7,339.02 = 3,080.80 : x
  2. Step 2: Convert to fraction form
    5,318.84/7,339.02 = 3,080.80/x
  3. Step 3: Cross multiply
    5,318.84x = 7,339.02 × 3,080.80
  4. Step 4: Simplify right side
    5,318.84x = 22,610,052.82
  5. Step 5: Solve for x
    x = 22,610,052.82/5,318.84
  6. Step 6: Final answer
    x = 4,250.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.