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Finding the Fourth Proportional to 6,157.70, 9,237.90 and 3,039.20

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Solution

The fourth proportional to 6,157.70, 9,237.90 and 3,039.20 is: 4,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,157.70 : 9,237.90 = 3,039.20 : x
  2. Step 2: Convert to fraction form
    6,157.70/9,237.90 = 3,039.20/x
  3. Step 3: Cross multiply
    6,157.70x = 9,237.90 × 3,039.20
  4. Step 4: Simplify right side
    6,157.70x = 28,075,825.68
  5. Step 5: Solve for x
    x = 28,075,825.68/6,157.70
  6. Step 6: Final answer
    x = 4,559.47

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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.