Home / 5,280.99-7,922.37-2,359.19

Finding the Fourth Proportional to 5,280.99, 7,922.37 and 2,359.19

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Solution

The fourth proportional to 5,280.99, 7,922.37 and 2,359.19 is: 3,539.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.99 : 7,922.37 = 2,359.19 : x
  2. Step 2: Convert to fraction form
    5,280.99/7,922.37 = 2,359.19/x
  3. Step 3: Cross multiply
    5,280.99x = 7,922.37 × 2,359.19
  4. Step 4: Simplify right side
    5,280.99x = 18,690,336.47
  5. Step 5: Solve for x
    x = 18,690,336.47/5,280.99
  6. Step 6: Final answer
    x = 3,539.17

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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.