Home / 6,961.89-10,424.36-5,445.80

Finding the Fourth Proportional to 6,961.89, 10,424.36 and 5,445.80

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Solution

The fourth proportional to 6,961.89, 10,424.36 and 5,445.80 is: 8,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.89 : 10,424.36 = 5,445.80 : x
  2. Step 2: Convert to fraction form
    6,961.89/10,424.36 = 5,445.80/x
  3. Step 3: Cross multiply
    6,961.89x = 10,424.36 × 5,445.80
  4. Step 4: Simplify right side
    6,961.89x = 56,768,979.69
  5. Step 5: Solve for x
    x = 56,768,979.69/6,961.89
  6. Step 6: Final answer
    x = 8,154.25

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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.