Home / 5,280.93-7,287.81-2,923.05

Finding the Fourth Proportional to 5,280.93, 7,287.81 and 2,923.05

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Solution

The fourth proportional to 5,280.93, 7,287.81 and 2,923.05 is: 4,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.93 : 7,287.81 = 2,923.05 : x
  2. Step 2: Convert to fraction form
    5,280.93/7,287.81 = 2,923.05/x
  3. Step 3: Cross multiply
    5,280.93x = 7,287.81 × 2,923.05
  4. Step 4: Simplify right side
    5,280.93x = 21,302,633.02
  5. Step 5: Solve for x
    x = 21,302,633.02/5,280.93
  6. Step 6: Final answer
    x = 4,033.88

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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.