Home / 4,686.30-7,029.45-2,612.70

Finding the Fourth Proportional to 4,686.30, 7,029.45 and 2,612.70

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Solution

The fourth proportional to 4,686.30, 7,029.45 and 2,612.70 is: 3,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.30 : 7,029.45 = 2,612.70 : x
  2. Step 2: Convert to fraction form
    4,686.30/7,029.45 = 2,612.70/x
  3. Step 3: Cross multiply
    4,686.30x = 7,029.45 × 2,612.70
  4. Step 4: Simplify right side
    4,686.30x = 18,365,844.02
  5. Step 5: Solve for x
    x = 18,365,844.02/4,686.30
  6. Step 6: Final answer
    x = 3,919.05

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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.