Home / 6,281.87-8,670.11-4,291.70

Finding the Fourth Proportional to 6,281.87, 8,670.11 and 4,291.70

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Solution

The fourth proportional to 6,281.87, 8,670.11 and 4,291.70 is: 5,923.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.87 : 8,670.11 = 4,291.70 : x
  2. Step 2: Convert to fraction form
    6,281.87/8,670.11 = 4,291.70/x
  3. Step 3: Cross multiply
    6,281.87x = 8,670.11 × 4,291.70
  4. Step 4: Simplify right side
    6,281.87x = 37,209,446.28
  5. Step 5: Solve for x
    x = 37,209,446.28/6,281.87
  6. Step 6: Final answer
    x = 5,923.31

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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.