Home / 9,814.55-14,720.36-3,240.79

Finding the Fourth Proportional to 9,814.55, 14,720.36 and 3,240.79

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Solution

The fourth proportional to 9,814.55, 14,720.36 and 3,240.79 is: 4,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,814.55 : 14,720.36 = 3,240.79 : x
  2. Step 2: Convert to fraction form
    9,814.55/14,720.36 = 3,240.79/x
  3. Step 3: Cross multiply
    9,814.55x = 14,720.36 × 3,240.79
  4. Step 4: Simplify right side
    9,814.55x = 47,705,542.48
  5. Step 5: Solve for x
    x = 47,705,542.48/9,814.55
  6. Step 6: Final answer
    x = 4,860.70

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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.