Home / 5,369.43-7,406.10-3,779.40

Finding the Fourth Proportional to 5,369.43, 7,406.10 and 3,779.40

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Solution

The fourth proportional to 5,369.43, 7,406.10 and 3,779.40 is: 5,212.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.43 : 7,406.10 = 3,779.40 : x
  2. Step 2: Convert to fraction form
    5,369.43/7,406.10 = 3,779.40/x
  3. Step 3: Cross multiply
    5,369.43x = 7,406.10 × 3,779.40
  4. Step 4: Simplify right side
    5,369.43x = 27,990,614.34
  5. Step 5: Solve for x
    x = 27,990,614.34/5,369.43
  6. Step 6: Final answer
    x = 5,212.96

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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.