Home / 7,520.32-11,281.72-2,326.16

Finding the Fourth Proportional to 7,520.32, 11,281.72 and 2,326.16

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Solution

The fourth proportional to 7,520.32, 11,281.72 and 2,326.16 is: 3,489.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.32 : 11,281.72 = 2,326.16 : x
  2. Step 2: Convert to fraction form
    7,520.32/11,281.72 = 2,326.16/x
  3. Step 3: Cross multiply
    7,520.32x = 11,281.72 × 2,326.16
  4. Step 4: Simplify right side
    7,520.32x = 26,243,085.80
  5. Step 5: Solve for x
    x = 26,243,085.80/7,520.32
  6. Step 6: Final answer
    x = 3,489.62

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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.