Home / 7,088.58-10,635.26-3,139.29

Finding the Fourth Proportional to 7,088.58, 10,635.26 and 3,139.29

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Solution

The fourth proportional to 7,088.58, 10,635.26 and 3,139.29 is: 4,709.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.58 : 10,635.26 = 3,139.29 : x
  2. Step 2: Convert to fraction form
    7,088.58/10,635.26 = 3,139.29/x
  3. Step 3: Cross multiply
    7,088.58x = 10,635.26 × 3,139.29
  4. Step 4: Simplify right side
    7,088.58x = 33,387,149.67
  5. Step 5: Solve for x
    x = 33,387,149.67/7,088.58
  6. Step 6: Final answer
    x = 4,709.99

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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.