Home / 9,079.20-13,618.48-3,607.20

Finding the Fourth Proportional to 9,079.20, 13,618.48 and 3,607.20

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Solution

The fourth proportional to 9,079.20, 13,618.48 and 3,607.20 is: 5,410.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.20 : 13,618.48 = 3,607.20 : x
  2. Step 2: Convert to fraction form
    9,079.20/13,618.48 = 3,607.20/x
  3. Step 3: Cross multiply
    9,079.20x = 13,618.48 × 3,607.20
  4. Step 4: Simplify right side
    9,079.20x = 49,124,581.06
  5. Step 5: Solve for x
    x = 49,124,581.06/9,079.20
  6. Step 6: Final answer
    x = 5,410.67

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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.