Home / 9,387.28-14,080.92-2,813.32

Finding the Fourth Proportional to 9,387.28, 14,080.92 and 2,813.32

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Solution

The fourth proportional to 9,387.28, 14,080.92 and 2,813.32 is: 4,219.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.28 : 14,080.92 = 2,813.32 : x
  2. Step 2: Convert to fraction form
    9,387.28/14,080.92 = 2,813.32/x
  3. Step 3: Cross multiply
    9,387.28x = 14,080.92 × 2,813.32
  4. Step 4: Simplify right side
    9,387.28x = 39,614,133.85
  5. Step 5: Solve for x
    x = 39,614,133.85/9,387.28
  6. Step 6: Final answer
    x = 4,219.98

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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.