Home / 9,176.94-12,664.20-4,985.18

Finding the Fourth Proportional to 9,176.94, 12,664.20 and 4,985.18

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Solution

The fourth proportional to 9,176.94, 12,664.20 and 4,985.18 is: 6,879.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.94 : 12,664.20 = 4,985.18 : x
  2. Step 2: Convert to fraction form
    9,176.94/12,664.20 = 4,985.18/x
  3. Step 3: Cross multiply
    9,176.94x = 12,664.20 × 4,985.18
  4. Step 4: Simplify right side
    9,176.94x = 63,133,316.56
  5. Step 5: Solve for x
    x = 63,133,316.56/9,176.94
  6. Step 6: Final answer
    x = 6,879.56

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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.