Home / 7,477.29-11,213.24-2,478.74

Finding the Fourth Proportional to 7,477.29, 11,213.24 and 2,478.74

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Solution

The fourth proportional to 7,477.29, 11,213.24 and 2,478.74 is: 3,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.29 : 11,213.24 = 2,478.74 : x
  2. Step 2: Convert to fraction form
    7,477.29/11,213.24 = 2,478.74/x
  3. Step 3: Cross multiply
    7,477.29x = 11,213.24 × 2,478.74
  4. Step 4: Simplify right side
    7,477.29x = 27,794,638.06
  5. Step 5: Solve for x
    x = 27,794,638.06/7,477.29
  6. Step 6: Final answer
    x = 3,717.21

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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.