Home / 7,359.21-11,039.12-3,460.89

Finding the Fourth Proportional to 7,359.21, 11,039.12 and 3,460.89

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Solution

The fourth proportional to 7,359.21, 11,039.12 and 3,460.89 is: 5,191.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.21 : 11,039.12 = 3,460.89 : x
  2. Step 2: Convert to fraction form
    7,359.21/11,039.12 = 3,460.89/x
  3. Step 3: Cross multiply
    7,359.21x = 11,039.12 × 3,460.89
  4. Step 4: Simplify right side
    7,359.21x = 38,205,162.71
  5. Step 5: Solve for x
    x = 38,205,162.71/7,359.21
  6. Step 6: Final answer
    x = 5,191.48

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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.