Home / 6,312.20-8,710.20-3,660.44

Finding the Fourth Proportional to 6,312.20, 8,710.20 and 3,660.44

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Solution

The fourth proportional to 6,312.20, 8,710.20 and 3,660.44 is: 5,051.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.20 : 8,710.20 = 3,660.44 : x
  2. Step 2: Convert to fraction form
    6,312.20/8,710.20 = 3,660.44/x
  3. Step 3: Cross multiply
    6,312.20x = 8,710.20 × 3,660.44
  4. Step 4: Simplify right side
    6,312.20x = 31,883,164.49
  5. Step 5: Solve for x
    x = 31,883,164.49/6,312.20
  6. Step 6: Final answer
    x = 5,051.04

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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.