Home / 9,389.28-14,080.68-2,813.70

Finding the Fourth Proportional to 9,389.28, 14,080.68 and 2,813.70

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Solution

The fourth proportional to 9,389.28, 14,080.68 and 2,813.70 is: 4,219.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389.28 : 14,080.68 = 2,813.70 : x
  2. Step 2: Convert to fraction form
    9,389.28/14,080.68 = 2,813.70/x
  3. Step 3: Cross multiply
    9,389.28x = 14,080.68 × 2,813.70
  4. Step 4: Simplify right side
    9,389.28x = 39,618,809.32
  5. Step 5: Solve for x
    x = 39,618,809.32/9,389.28
  6. Step 6: Final answer
    x = 4,219.58

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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.