Home / 7,280.12-10,033.24-5,287.22

Finding the Fourth Proportional to 7,280.12, 10,033.24 and 5,287.22

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Solution

The fourth proportional to 7,280.12, 10,033.24 and 5,287.22 is: 7,286.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.12 : 10,033.24 = 5,287.22 : x
  2. Step 2: Convert to fraction form
    7,280.12/10,033.24 = 5,287.22/x
  3. Step 3: Cross multiply
    7,280.12x = 10,033.24 × 5,287.22
  4. Step 4: Simplify right side
    7,280.12x = 53,047,947.19
  5. Step 5: Solve for x
    x = 53,047,947.19/7,280.12
  6. Step 6: Final answer
    x = 7,286.69

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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.