Home / 5,636.44-7,779.54-3,543.40

Finding the Fourth Proportional to 5,636.44, 7,779.54 and 3,543.40

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Solution

The fourth proportional to 5,636.44, 7,779.54 and 3,543.40 is: 4,890.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.44 : 7,779.54 = 3,543.40 : x
  2. Step 2: Convert to fraction form
    5,636.44/7,779.54 = 3,543.40/x
  3. Step 3: Cross multiply
    5,636.44x = 7,779.54 × 3,543.40
  4. Step 4: Simplify right side
    5,636.44x = 27,566,022.04
  5. Step 5: Solve for x
    x = 27,566,022.04/5,636.44
  6. Step 6: Final answer
    x = 4,890.68

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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.