Home / 9,769.19-14,657.88-4,219.68

Finding the Fourth Proportional to 9,769.19, 14,657.88 and 4,219.68

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Solution

The fourth proportional to 9,769.19, 14,657.88 and 4,219.68 is: 6,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,769.19 : 14,657.88 = 4,219.68 : x
  2. Step 2: Convert to fraction form
    9,769.19/14,657.88 = 4,219.68/x
  3. Step 3: Cross multiply
    9,769.19x = 14,657.88 × 4,219.68
  4. Step 4: Simplify right side
    9,769.19x = 61,851,563.08
  5. Step 5: Solve for x
    x = 61,851,563.08/9,769.19
  6. Step 6: Final answer
    x = 6,331.29

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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.