Home / 8,669.55-11,963.98-4,690.66

Finding the Fourth Proportional to 8,669.55, 11,963.98 and 4,690.66

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Solution

The fourth proportional to 8,669.55, 11,963.98 and 4,690.66 is: 6,473.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.55 : 11,963.98 = 4,690.66 : x
  2. Step 2: Convert to fraction form
    8,669.55/11,963.98 = 4,690.66/x
  3. Step 3: Cross multiply
    8,669.55x = 11,963.98 × 4,690.66
  4. Step 4: Simplify right side
    8,669.55x = 56,118,962.43
  5. Step 5: Solve for x
    x = 56,118,962.43/8,669.55
  6. Step 6: Final answer
    x = 6,473.11

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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.