Home / 6,433.66-8,878.88-3,601.28

Finding the Fourth Proportional to 6,433.66, 8,878.88 and 3,601.28

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Solution

The fourth proportional to 6,433.66, 8,878.88 and 3,601.28 is: 4,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.66 : 8,878.88 = 3,601.28 : x
  2. Step 2: Convert to fraction form
    6,433.66/8,878.88 = 3,601.28/x
  3. Step 3: Cross multiply
    6,433.66x = 8,878.88 × 3,601.28
  4. Step 4: Simplify right side
    6,433.66x = 31,975,332.97
  5. Step 5: Solve for x
    x = 31,975,332.97/6,433.66
  6. Step 6: Final answer
    x = 4,970.01

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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.