Home / 7,748.40-11,617.56-4,416.72

Finding the Fourth Proportional to 7,748.40, 11,617.56 and 4,416.72

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Solution

The fourth proportional to 7,748.40, 11,617.56 and 4,416.72 is: 6,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.40 : 11,617.56 = 4,416.72 : x
  2. Step 2: Convert to fraction form
    7,748.40/11,617.56 = 4,416.72/x
  3. Step 3: Cross multiply
    7,748.40x = 11,617.56 × 4,416.72
  4. Step 4: Simplify right side
    7,748.40x = 51,311,509.60
  5. Step 5: Solve for x
    x = 51,311,509.60/7,748.40
  6. Step 6: Final answer
    x = 6,622.21

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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.