Home / 6,378.89-9,569.88-2,219.00

Finding the Fourth Proportional to 6,378.89, 9,569.88 and 2,219.00

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Solution

The fourth proportional to 6,378.89, 9,569.88 and 2,219.00 is: 3,329.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.89 : 9,569.88 = 2,219.00 : x
  2. Step 2: Convert to fraction form
    6,378.89/9,569.88 = 2,219.00/x
  3. Step 3: Cross multiply
    6,378.89x = 9,569.88 × 2,219.00
  4. Step 4: Simplify right side
    6,378.89x = 21,235,515.87
  5. Step 5: Solve for x
    x = 21,235,515.87/6,378.89
  6. Step 6: Final answer
    x = 3,329.03

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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.