Home / 7,400.12-11,083.72-6,823.91

Finding the Fourth Proportional to 7,400.12, 11,083.72 and 6,823.91

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Solution

The fourth proportional to 7,400.12, 11,083.72 and 6,823.91 is: 10,220.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.12 : 11,083.72 = 6,823.91 : x
  2. Step 2: Convert to fraction form
    7,400.12/11,083.72 = 6,823.91/x
  3. Step 3: Cross multiply
    7,400.12x = 11,083.72 × 6,823.91
  4. Step 4: Simplify right side
    7,400.12x = 75,634,307.75
  5. Step 5: Solve for x
    x = 75,634,307.75/7,400.12
  6. Step 6: Final answer
    x = 10,220.69

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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.