Home / 5,271.12-7,906.68-2,312.46

Finding the Fourth Proportional to 5,271.12, 7,906.68 and 2,312.46

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Solution

The fourth proportional to 5,271.12, 7,906.68 and 2,312.46 is: 3,468.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.12 : 7,906.68 = 2,312.46 : x
  2. Step 2: Convert to fraction form
    5,271.12/7,906.68 = 2,312.46/x
  3. Step 3: Cross multiply
    5,271.12x = 7,906.68 × 2,312.46
  4. Step 4: Simplify right side
    5,271.12x = 18,283,881.23
  5. Step 5: Solve for x
    x = 18,283,881.23/5,271.12
  6. Step 6: Final answer
    x = 3,468.69

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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.