Home / 8,963.61-12,369.29-4,930.35

Finding the Fourth Proportional to 8,963.61, 12,369.29 and 4,930.35

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Solution

The fourth proportional to 8,963.61, 12,369.29 and 4,930.35 is: 6,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.61 : 12,369.29 = 4,930.35 : x
  2. Step 2: Convert to fraction form
    8,963.61/12,369.29 = 4,930.35/x
  3. Step 3: Cross multiply
    8,963.61x = 12,369.29 × 4,930.35
  4. Step 4: Simplify right side
    8,963.61x = 60,984,928.95
  5. Step 5: Solve for x
    x = 60,984,928.95/8,963.61
  6. Step 6: Final answer
    x = 6,803.61

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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.