Home / 6,244.34-8,618.63-4,120.25

Finding the Fourth Proportional to 6,244.34, 8,618.63 and 4,120.25

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Solution

The fourth proportional to 6,244.34, 8,618.63 and 4,120.25 is: 5,686.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,244.34 : 8,618.63 = 4,120.25 : x
  2. Step 2: Convert to fraction form
    6,244.34/8,618.63 = 4,120.25/x
  3. Step 3: Cross multiply
    6,244.34x = 8,618.63 × 4,120.25
  4. Step 4: Simplify right side
    6,244.34x = 35,510,846.56
  5. Step 5: Solve for x
    x = 35,510,846.56/6,244.34
  6. Step 6: Final answer
    x = 5,686.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.