Home / 7,457.12-11,184.36-2,261.72

Finding the Fourth Proportional to 7,457.12, 11,184.36 and 2,261.72

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Solution

The fourth proportional to 7,457.12, 11,184.36 and 2,261.72 is: 3,392.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.12 : 11,184.36 = 2,261.72 : x
  2. Step 2: Convert to fraction form
    7,457.12/11,184.36 = 2,261.72/x
  3. Step 3: Cross multiply
    7,457.12x = 11,184.36 × 2,261.72
  4. Step 4: Simplify right side
    7,457.12x = 25,295,890.70
  5. Step 5: Solve for x
    x = 25,295,890.70/7,457.12
  6. Step 6: Final answer
    x = 3,392.18

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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.