Home / 6,004.20-8,285.80-3,315.58

Finding the Fourth Proportional to 6,004.20, 8,285.80 and 3,315.58

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Solution

The fourth proportional to 6,004.20, 8,285.80 and 3,315.58 is: 4,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,004.20 : 8,285.80 = 3,315.58 : x
  2. Step 2: Convert to fraction form
    6,004.20/8,285.80 = 3,315.58/x
  3. Step 3: Cross multiply
    6,004.20x = 8,285.80 × 3,315.58
  4. Step 4: Simplify right side
    6,004.20x = 27,472,232.76
  5. Step 5: Solve for x
    x = 27,472,232.76/6,004.20
  6. Step 6: Final answer
    x = 4,575.50

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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.