Home / 6,126.86-8,455.12-3,332.36

Finding the Fourth Proportional to 6,126.86, 8,455.12 and 3,332.36

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Solution

The fourth proportional to 6,126.86, 8,455.12 and 3,332.36 is: 4,598.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.86 : 8,455.12 = 3,332.36 : x
  2. Step 2: Convert to fraction form
    6,126.86/8,455.12 = 3,332.36/x
  3. Step 3: Cross multiply
    6,126.86x = 8,455.12 × 3,332.36
  4. Step 4: Simplify right side
    6,126.86x = 28,175,503.68
  5. Step 5: Solve for x
    x = 28,175,503.68/6,126.86
  6. Step 6: Final answer
    x = 4,598.69

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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.