Home / 8,669.32-11,963.58-4,690.35

Finding the Fourth Proportional to 8,669.32, 11,963.58 and 4,690.35

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Solution

The fourth proportional to 8,669.32, 11,963.58 and 4,690.35 is: 6,472.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.32 : 11,963.58 = 4,690.35 : x
  2. Step 2: Convert to fraction form
    8,669.32/11,963.58 = 4,690.35/x
  3. Step 3: Cross multiply
    8,669.32x = 11,963.58 × 4,690.35
  4. Step 4: Simplify right side
    8,669.32x = 56,113,377.45
  5. Step 5: Solve for x
    x = 56,113,377.45/8,669.32
  6. Step 6: Final answer
    x = 6,472.64

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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.