Home / 6,778.16-9,354.71-4,125.41

Finding the Fourth Proportional to 6,778.16, 9,354.71 and 4,125.41

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Solution

The fourth proportional to 6,778.16, 9,354.71 and 4,125.41 is: 5,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.16 : 9,354.71 = 4,125.41 : x
  2. Step 2: Convert to fraction form
    6,778.16/9,354.71 = 4,125.41/x
  3. Step 3: Cross multiply
    6,778.16x = 9,354.71 × 4,125.41
  4. Step 4: Simplify right side
    6,778.16x = 38,592,014.18
  5. Step 5: Solve for x
    x = 38,592,014.18/6,778.16
  6. Step 6: Final answer
    x = 5,693.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.