Home / 6,378.87-9,554.43-3,085.02

Finding the Fourth Proportional to 6,378.87, 9,554.43 and 3,085.02

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Solution

The fourth proportional to 6,378.87, 9,554.43 and 3,085.02 is: 4,620.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.87 : 9,554.43 = 3,085.02 : x
  2. Step 2: Convert to fraction form
    6,378.87/9,554.43 = 3,085.02/x
  3. Step 3: Cross multiply
    6,378.87x = 9,554.43 × 3,085.02
  4. Step 4: Simplify right side
    6,378.87x = 29,475,607.64
  5. Step 5: Solve for x
    x = 29,475,607.64/6,378.87
  6. Step 6: Final answer
    x = 4,620.82

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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.