Home / 6,231.74-8,636.93-6,115.10

Finding the Fourth Proportional to 6,231.74, 8,636.93 and 6,115.10

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Solution

The fourth proportional to 6,231.74, 8,636.93 and 6,115.10 is: 8,475.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.74 : 8,636.93 = 6,115.10 : x
  2. Step 2: Convert to fraction form
    6,231.74/8,636.93 = 6,115.10/x
  3. Step 3: Cross multiply
    6,231.74x = 8,636.93 × 6,115.10
  4. Step 4: Simplify right side
    6,231.74x = 52,815,639.81
  5. Step 5: Solve for x
    x = 52,815,639.81/6,231.74
  6. Step 6: Final answer
    x = 8,475.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.