Home / 5,468.92-7,547.28-3,111.21

Finding the Fourth Proportional to 5,468.92, 7,547.28 and 3,111.21

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Solution

The fourth proportional to 5,468.92, 7,547.28 and 3,111.21 is: 4,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,468.92 : 7,547.28 = 3,111.21 : x
  2. Step 2: Convert to fraction form
    5,468.92/7,547.28 = 3,111.21/x
  3. Step 3: Cross multiply
    5,468.92x = 7,547.28 × 3,111.21
  4. Step 4: Simplify right side
    5,468.92x = 23,481,161.34
  5. Step 5: Solve for x
    x = 23,481,161.34/5,468.92
  6. Step 6: Final answer
    x = 4,293.57

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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.