Home / 9,738.40-14,617.20-4,813.60

Finding the Fourth Proportional to 9,738.40, 14,617.20 and 4,813.60

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Solution

The fourth proportional to 9,738.40, 14,617.20 and 4,813.60 is: 7,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,738.40 : 14,617.20 = 4,813.60 : x
  2. Step 2: Convert to fraction form
    9,738.40/14,617.20 = 4,813.60/x
  3. Step 3: Cross multiply
    9,738.40x = 14,617.20 × 4,813.60
  4. Step 4: Simplify right side
    9,738.40x = 70,361,353.92
  5. Step 5: Solve for x
    x = 70,361,353.92/9,738.40
  6. Step 6: Final answer
    x = 7,225.15

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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.