Home / 5,636.98-7,779.48-3,279.58

Finding the Fourth Proportional to 5,636.98, 7,779.48 and 3,279.58

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Solution

The fourth proportional to 5,636.98, 7,779.48 and 3,279.58 is: 4,526.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.98 : 7,779.48 = 3,279.58 : x
  2. Step 2: Convert to fraction form
    5,636.98/7,779.48 = 3,279.58/x
  3. Step 3: Cross multiply
    5,636.98x = 7,779.48 × 3,279.58
  4. Step 4: Simplify right side
    5,636.98x = 25,513,427.02
  5. Step 5: Solve for x
    x = 25,513,427.02/5,636.98
  6. Step 6: Final answer
    x = 4,526.08

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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.