Home / 4,020.84-5,547.33-3,181.68

Finding the Fourth Proportional to 4,020.84, 5,547.33 and 3,181.68

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Solution

The fourth proportional to 4,020.84, 5,547.33 and 3,181.68 is: 4,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.84 : 5,547.33 = 3,181.68 : x
  2. Step 2: Convert to fraction form
    4,020.84/5,547.33 = 3,181.68/x
  3. Step 3: Cross multiply
    4,020.84x = 5,547.33 × 3,181.68
  4. Step 4: Simplify right side
    4,020.84x = 17,649,828.91
  5. Step 5: Solve for x
    x = 17,649,828.91/4,020.84
  6. Step 6: Final answer
    x = 4,389.59

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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.