Home / 4,312.05-6,471.36-2,922.09

Finding the Fourth Proportional to 4,312.05, 6,471.36 and 2,922.09

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Solution

The fourth proportional to 4,312.05, 6,471.36 and 2,922.09 is: 4,385.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.05 : 6,471.36 = 2,922.09 : x
  2. Step 2: Convert to fraction form
    4,312.05/6,471.36 = 2,922.09/x
  3. Step 3: Cross multiply
    4,312.05x = 6,471.36 × 2,922.09
  4. Step 4: Simplify right side
    4,312.05x = 18,909,896.34
  5. Step 5: Solve for x
    x = 18,909,896.34/4,312.05
  6. Step 6: Final answer
    x = 4,385.36

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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.