Home / 9,070.20-13,599.18-3,145.56

Finding the Fourth Proportional to 9,070.20, 13,599.18 and 3,145.56

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Solution

The fourth proportional to 9,070.20, 13,599.18 and 3,145.56 is: 4,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.20 : 13,599.18 = 3,145.56 : x
  2. Step 2: Convert to fraction form
    9,070.20/13,599.18 = 3,145.56/x
  3. Step 3: Cross multiply
    9,070.20x = 13,599.18 × 3,145.56
  4. Step 4: Simplify right side
    9,070.20x = 42,777,036.64
  5. Step 5: Solve for x
    x = 42,777,036.64/9,070.20
  6. Step 6: Final answer
    x = 4,716.22

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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.