Home / 5,411.10-8,117.74-2,291.10

Finding the Fourth Proportional to 5,411.10, 8,117.74 and 2,291.10

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Solution

The fourth proportional to 5,411.10, 8,117.74 and 2,291.10 is: 3,437.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.10 : 8,117.74 = 2,291.10 : x
  2. Step 2: Convert to fraction form
    5,411.10/8,117.74 = 2,291.10/x
  3. Step 3: Cross multiply
    5,411.10x = 8,117.74 × 2,291.10
  4. Step 4: Simplify right side
    5,411.10x = 18,598,554.11
  5. Step 5: Solve for x
    x = 18,598,554.11/5,411.10
  6. Step 6: Final answer
    x = 3,437.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.