Home / 6,471.89-9,705.37-2,311.12

Finding the Fourth Proportional to 6,471.89, 9,705.37 and 2,311.12

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Solution

The fourth proportional to 6,471.89, 9,705.37 and 2,311.12 is: 3,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.89 : 9,705.37 = 2,311.12 : x
  2. Step 2: Convert to fraction form
    6,471.89/9,705.37 = 2,311.12/x
  3. Step 3: Cross multiply
    6,471.89x = 9,705.37 × 2,311.12
  4. Step 4: Simplify right side
    6,471.89x = 22,430,274.71
  5. Step 5: Solve for x
    x = 22,430,274.71/6,471.89
  6. Step 6: Final answer
    x = 3,465.80

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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.