Home / 9,890.86-14,816.42-4,618.60

Finding the Fourth Proportional to 9,890.86, 14,816.42 and 4,618.60

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Solution

The fourth proportional to 9,890.86, 14,816.42 and 4,618.60 is: 6,918.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.86 : 14,816.42 = 4,618.60 : x
  2. Step 2: Convert to fraction form
    9,890.86/14,816.42 = 4,618.60/x
  3. Step 3: Cross multiply
    9,890.86x = 14,816.42 × 4,618.60
  4. Step 4: Simplify right side
    9,890.86x = 68,431,102.38
  5. Step 5: Solve for x
    x = 68,431,102.38/9,890.86
  6. Step 6: Final answer
    x = 6,918.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.