Home / 9,739.40-14,618.70-4,814.60

Finding the Fourth Proportional to 9,739.40, 14,618.70 and 4,814.60

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Solution

The fourth proportional to 9,739.40, 14,618.70 and 4,814.60 is: 7,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739.40 : 14,618.70 = 4,814.60 : x
  2. Step 2: Convert to fraction form
    9,739.40/14,618.70 = 4,814.60/x
  3. Step 3: Cross multiply
    9,739.40x = 14,618.70 × 4,814.60
  4. Step 4: Simplify right side
    9,739.40x = 70,383,193.02
  5. Step 5: Solve for x
    x = 70,383,193.02/9,739.40
  6. Step 6: Final answer
    x = 7,226.65

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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.