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Finding the Fourth Proportional to 4,157.30, 6,223.80 and 4,035.80

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Solution

The fourth proportional to 4,157.30, 6,223.80 and 4,035.80 is: 6,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.30 : 6,223.80 = 4,035.80 : x
  2. Step 2: Convert to fraction form
    4,157.30/6,223.80 = 4,035.80/x
  3. Step 3: Cross multiply
    4,157.30x = 6,223.80 × 4,035.80
  4. Step 4: Simplify right side
    4,157.30x = 25,118,012.04
  5. Step 5: Solve for x
    x = 25,118,012.04/4,157.30
  6. Step 6: Final answer
    x = 6,041.91

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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.