Home / 6,285.52-8,673.78-3,491.20

Finding the Fourth Proportional to 6,285.52, 8,673.78 and 3,491.20

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Solution

The fourth proportional to 6,285.52, 8,673.78 and 3,491.20 is: 4,817.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.52 : 8,673.78 = 3,491.20 : x
  2. Step 2: Convert to fraction form
    6,285.52/8,673.78 = 3,491.20/x
  3. Step 3: Cross multiply
    6,285.52x = 8,673.78 × 3,491.20
  4. Step 4: Simplify right side
    6,285.52x = 30,281,900.74
  5. Step 5: Solve for x
    x = 30,281,900.74/6,285.52
  6. Step 6: Final answer
    x = 4,817.72

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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.