Home / 6,279.93-9,415.04-2,814.75

Finding the Fourth Proportional to 6,279.93, 9,415.04 and 2,814.75

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Solution

The fourth proportional to 6,279.93, 9,415.04 and 2,814.75 is: 4,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.93 : 9,415.04 = 2,814.75 : x
  2. Step 2: Convert to fraction form
    6,279.93/9,415.04 = 2,814.75/x
  3. Step 3: Cross multiply
    6,279.93x = 9,415.04 × 2,814.75
  4. Step 4: Simplify right side
    6,279.93x = 26,500,969.77
  5. Step 5: Solve for x
    x = 26,500,969.77/6,279.93
  6. Step 6: Final answer
    x = 4,219.95

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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.