Home / 6,920.06-10,381.74-2,240.07

Finding the Fourth Proportional to 6,920.06, 10,381.74 and 2,240.07

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Solution

The fourth proportional to 6,920.06, 10,381.74 and 2,240.07 is: 3,360.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.06 : 10,381.74 = 2,240.07 : x
  2. Step 2: Convert to fraction form
    6,920.06/10,381.74 = 2,240.07/x
  3. Step 3: Cross multiply
    6,920.06x = 10,381.74 × 2,240.07
  4. Step 4: Simplify right side
    6,920.06x = 23,255,834.50
  5. Step 5: Solve for x
    x = 23,255,834.50/6,920.06
  6. Step 6: Final answer
    x = 3,360.64

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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.