Home / 5,547.72-7,657.16-3,191.22

Finding the Fourth Proportional to 5,547.72, 7,657.16 and 3,191.22

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Solution

The fourth proportional to 5,547.72, 7,657.16 and 3,191.22 is: 4,404.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.72 : 7,657.16 = 3,191.22 : x
  2. Step 2: Convert to fraction form
    5,547.72/7,657.16 = 3,191.22/x
  3. Step 3: Cross multiply
    5,547.72x = 7,657.16 × 3,191.22
  4. Step 4: Simplify right side
    5,547.72x = 24,435,682.14
  5. Step 5: Solve for x
    x = 24,435,682.14/5,547.72
  6. Step 6: Final answer
    x = 4,404.64

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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.