Home / 6,127.30-8,455.43-3,332.80

Finding the Fourth Proportional to 6,127.30, 8,455.43 and 3,332.80

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Solution

The fourth proportional to 6,127.30, 8,455.43 and 3,332.80 is: 4,599.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.30 : 8,455.43 = 3,332.80 : x
  2. Step 2: Convert to fraction form
    6,127.30/8,455.43 = 3,332.80/x
  3. Step 3: Cross multiply
    6,127.30x = 8,455.43 × 3,332.80
  4. Step 4: Simplify right side
    6,127.30x = 28,180,257.10
  5. Step 5: Solve for x
    x = 28,180,257.10/6,127.30
  6. Step 6: Final answer
    x = 4,599.13

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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.