Home / 6,815.14-9,408.56-4,263.64

Finding the Fourth Proportional to 6,815.14, 9,408.56 and 4,263.64

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Solution

The fourth proportional to 6,815.14, 9,408.56 and 4,263.64 is: 5,886.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.14 : 9,408.56 = 4,263.64 : x
  2. Step 2: Convert to fraction form
    6,815.14/9,408.56 = 4,263.64/x
  3. Step 3: Cross multiply
    6,815.14x = 9,408.56 × 4,263.64
  4. Step 4: Simplify right side
    6,815.14x = 40,114,667.92
  5. Step 5: Solve for x
    x = 40,114,667.92/6,815.14
  6. Step 6: Final answer
    x = 5,886.11

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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.