Home / 6,455.36-9,685.91-4,114.80

Finding the Fourth Proportional to 6,455.36, 9,685.91 and 4,114.80

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Solution

The fourth proportional to 6,455.36, 9,685.91 and 4,114.80 is: 6,174.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.36 : 9,685.91 = 4,114.80 : x
  2. Step 2: Convert to fraction form
    6,455.36/9,685.91 = 4,114.80/x
  3. Step 3: Cross multiply
    6,455.36x = 9,685.91 × 4,114.80
  4. Step 4: Simplify right side
    6,455.36x = 39,855,592.76
  5. Step 5: Solve for x
    x = 39,855,592.76/6,455.36
  6. Step 6: Final answer
    x = 6,174.03

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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.