Home / 7,008.24-10,509.30-3,720.58

Finding the Fourth Proportional to 7,008.24, 10,509.30 and 3,720.58

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Solution

The fourth proportional to 7,008.24, 10,509.30 and 3,720.58 is: 5,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.24 : 10,509.30 = 3,720.58 : x
  2. Step 2: Convert to fraction form
    7,008.24/10,509.30 = 3,720.58/x
  3. Step 3: Cross multiply
    7,008.24x = 10,509.30 × 3,720.58
  4. Step 4: Simplify right side
    7,008.24x = 39,100,691.39
  5. Step 5: Solve for x
    x = 39,100,691.39/7,008.24
  6. Step 6: Final answer
    x = 5,579.25

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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.