Home / 7,280.09-10,921.41-4,816.92

Finding the Fourth Proportional to 7,280.09, 10,921.41 and 4,816.92

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Solution

The fourth proportional to 7,280.09, 10,921.41 and 4,816.92 is: 7,226.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.09 : 10,921.41 = 4,816.92 : x
  2. Step 2: Convert to fraction form
    7,280.09/10,921.41 = 4,816.92/x
  3. Step 3: Cross multiply
    7,280.09x = 10,921.41 × 4,816.92
  4. Step 4: Simplify right side
    7,280.09x = 52,607,558.26
  5. Step 5: Solve for x
    x = 52,607,558.26/7,280.09
  6. Step 6: Final answer
    x = 7,226.23

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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.