Home / 7,478.46-11,215.03-2,212.06

Finding the Fourth Proportional to 7,478.46, 11,215.03 and 2,212.06

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Solution

The fourth proportional to 7,478.46, 11,215.03 and 2,212.06 is: 3,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.46 : 11,215.03 = 2,212.06 : x
  2. Step 2: Convert to fraction form
    7,478.46/11,215.03 = 2,212.06/x
  3. Step 3: Cross multiply
    7,478.46x = 11,215.03 × 2,212.06
  4. Step 4: Simplify right side
    7,478.46x = 24,808,319.26
  5. Step 5: Solve for x
    x = 24,808,319.26/7,478.46
  6. Step 6: Final answer
    x = 3,317.30

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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.