Home / 6,126.88-8,455.16-3,332.40

Finding the Fourth Proportional to 6,126.88, 8,455.16 and 3,332.40

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Solution

The fourth proportional to 6,126.88, 8,455.16 and 3,332.40 is: 4,598.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.88 : 8,455.16 = 3,332.40 : x
  2. Step 2: Convert to fraction form
    6,126.88/8,455.16 = 3,332.40/x
  3. Step 3: Cross multiply
    6,126.88x = 8,455.16 × 3,332.40
  4. Step 4: Simplify right side
    6,126.88x = 28,175,975.18
  5. Step 5: Solve for x
    x = 28,175,975.18/6,126.88
  6. Step 6: Final answer
    x = 4,598.75

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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.