Home / 6,282.50-9,423.75-2,178.50

Finding the Fourth Proportional to 6,282.50, 9,423.75 and 2,178.50

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Solution

The fourth proportional to 6,282.50, 9,423.75 and 2,178.50 is: 3,267.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,282.50 : 9,423.75 = 2,178.50 : x
  2. Step 2: Convert to fraction form
    6,282.50/9,423.75 = 2,178.50/x
  3. Step 3: Cross multiply
    6,282.50x = 9,423.75 × 2,178.50
  4. Step 4: Simplify right side
    6,282.50x = 20,529,639.38
  5. Step 5: Solve for x
    x = 20,529,639.38/6,282.50
  6. Step 6: Final answer
    x = 3,267.75

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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.