Home / 7,011.25-10,519.96-3,316.13

Finding the Fourth Proportional to 7,011.25, 10,519.96 and 3,316.13

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Solution

The fourth proportional to 7,011.25, 10,519.96 and 3,316.13 is: 4,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.25 : 10,519.96 = 3,316.13 : x
  2. Step 2: Convert to fraction form
    7,011.25/10,519.96 = 3,316.13/x
  3. Step 3: Cross multiply
    7,011.25x = 10,519.96 × 3,316.13
  4. Step 4: Simplify right side
    7,011.25x = 34,885,554.95
  5. Step 5: Solve for x
    x = 34,885,554.95/7,011.25
  6. Step 6: Final answer
    x = 4,975.66

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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.