Home / 5,280.84-7,287.81-3,043.05

Finding the Fourth Proportional to 5,280.84, 7,287.81 and 3,043.05

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Solution

The fourth proportional to 5,280.84, 7,287.81 and 3,043.05 is: 4,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.84 : 7,287.81 = 3,043.05 : x
  2. Step 2: Convert to fraction form
    5,280.84/7,287.81 = 3,043.05/x
  3. Step 3: Cross multiply
    5,280.84x = 7,287.81 × 3,043.05
  4. Step 4: Simplify right side
    5,280.84x = 22,177,170.22
  5. Step 5: Solve for x
    x = 22,177,170.22/5,280.84
  6. Step 6: Final answer
    x = 4,199.55

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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.