Home / 7,778.58-10,735.08-4,422.45

Finding the Fourth Proportional to 7,778.58, 10,735.08 and 4,422.45

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Solution

The fourth proportional to 7,778.58, 10,735.08 and 4,422.45 is: 6,103.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.58 : 10,735.08 = 4,422.45 : x
  2. Step 2: Convert to fraction form
    7,778.58/10,735.08 = 4,422.45/x
  3. Step 3: Cross multiply
    7,778.58x = 10,735.08 × 4,422.45
  4. Step 4: Simplify right side
    7,778.58x = 47,475,354.55
  5. Step 5: Solve for x
    x = 47,475,354.55/7,778.58
  6. Step 6: Final answer
    x = 6,103.34

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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.