Home / 6,145.62-8,480.70-3,493.02

Finding the Fourth Proportional to 6,145.62, 8,480.70 and 3,493.02

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Solution

The fourth proportional to 6,145.62, 8,480.70 and 3,493.02 is: 4,820.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.62 : 8,480.70 = 3,493.02 : x
  2. Step 2: Convert to fraction form
    6,145.62/8,480.70 = 3,493.02/x
  3. Step 3: Cross multiply
    6,145.62x = 8,480.70 × 3,493.02
  4. Step 4: Simplify right side
    6,145.62x = 29,623,254.71
  5. Step 5: Solve for x
    x = 29,623,254.71/6,145.62
  6. Step 6: Final answer
    x = 4,820.22

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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.