Home / 7,271.70-10,911.15-4,154.10

Finding the Fourth Proportional to 7,271.70, 10,911.15 and 4,154.10

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Solution

The fourth proportional to 7,271.70, 10,911.15 and 4,154.10 is: 6,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.70 : 10,911.15 = 4,154.10 : x
  2. Step 2: Convert to fraction form
    7,271.70/10,911.15 = 4,154.10/x
  3. Step 3: Cross multiply
    7,271.70x = 10,911.15 × 4,154.10
  4. Step 4: Simplify right side
    7,271.70x = 45,326,008.22
  5. Step 5: Solve for x
    x = 45,326,008.22/7,271.70
  6. Step 6: Final answer
    x = 6,233.21

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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.