Home / 7,417.92-11,124.12-2,486.40

Finding the Fourth Proportional to 7,417.92, 11,124.12 and 2,486.40

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Solution

The fourth proportional to 7,417.92, 11,124.12 and 2,486.40 is: 3,728.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.92 : 11,124.12 = 2,486.40 : x
  2. Step 2: Convert to fraction form
    7,417.92/11,124.12 = 2,486.40/x
  3. Step 3: Cross multiply
    7,417.92x = 11,124.12 × 2,486.40
  4. Step 4: Simplify right side
    7,417.92x = 27,659,011.97
  5. Step 5: Solve for x
    x = 27,659,011.97/7,417.92
  6. Step 6: Final answer
    x = 3,728.67

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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.