Home / 9,853.05-14,779.60-3,279.30

Finding the Fourth Proportional to 9,853.05, 14,779.60 and 3,279.30

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Solution

The fourth proportional to 9,853.05, 14,779.60 and 3,279.30 is: 4,918.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,853.05 : 14,779.60 = 3,279.30 : x
  2. Step 2: Convert to fraction form
    9,853.05/14,779.60 = 3,279.30/x
  3. Step 3: Cross multiply
    9,853.05x = 14,779.60 × 3,279.30
  4. Step 4: Simplify right side
    9,853.05x = 48,466,742.28
  5. Step 5: Solve for x
    x = 48,466,742.28/9,853.05
  6. Step 6: Final answer
    x = 4,918.96

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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.