Home / 7,085.16-10,619.10-3,184.20

Finding the Fourth Proportional to 7,085.16, 10,619.10 and 3,184.20

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Solution

The fourth proportional to 7,085.16, 10,619.10 and 3,184.20 is: 4,772.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.16 : 10,619.10 = 3,184.20 : x
  2. Step 2: Convert to fraction form
    7,085.16/10,619.10 = 3,184.20/x
  3. Step 3: Cross multiply
    7,085.16x = 10,619.10 × 3,184.20
  4. Step 4: Simplify right side
    7,085.16x = 33,813,338.22
  5. Step 5: Solve for x
    x = 33,813,338.22/7,085.16
  6. Step 6: Final answer
    x = 4,772.42

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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.