Home / 8,669.23-11,963.46-4,690.25

Finding the Fourth Proportional to 8,669.23, 11,963.46 and 4,690.25

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Solution

The fourth proportional to 8,669.23, 11,963.46 and 4,690.25 is: 6,472.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.23 : 11,963.46 = 4,690.25 : x
  2. Step 2: Convert to fraction form
    8,669.23/11,963.46 = 4,690.25/x
  3. Step 3: Cross multiply
    8,669.23x = 11,963.46 × 4,690.25
  4. Step 4: Simplify right side
    8,669.23x = 56,111,688.19
  5. Step 5: Solve for x
    x = 56,111,688.19/8,669.23
  6. Step 6: Final answer
    x = 6,472.51

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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.