Home / 7,653.19-11,479.97-2,459.11

Finding the Fourth Proportional to 7,653.19, 11,479.97 and 2,459.11

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Solution

The fourth proportional to 7,653.19, 11,479.97 and 2,459.11 is: 3,688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.19 : 11,479.97 = 2,459.11 : x
  2. Step 2: Convert to fraction form
    7,653.19/11,479.97 = 2,459.11/x
  3. Step 3: Cross multiply
    7,653.19x = 11,479.97 × 2,459.11
  4. Step 4: Simplify right side
    7,653.19x = 28,230,509.03
  5. Step 5: Solve for x
    x = 28,230,509.03/7,653.19
  6. Step 6: Final answer
    x = 3,688.72

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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.