Home / 7,085.66-10,622.32-2,923.07

Finding the Fourth Proportional to 7,085.66, 10,622.32 and 2,923.07

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Solution

The fourth proportional to 7,085.66, 10,622.32 and 2,923.07 is: 4,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.66 : 10,622.32 = 2,923.07 : x
  2. Step 2: Convert to fraction form
    7,085.66/10,622.32 = 2,923.07/x
  3. Step 3: Cross multiply
    7,085.66x = 10,622.32 × 2,923.07
  4. Step 4: Simplify right side
    7,085.66x = 31,049,724.50
  5. Step 5: Solve for x
    x = 31,049,724.50/7,085.66
  6. Step 6: Final answer
    x = 4,382.05

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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.