Home / 6,427.34-8,869.23-3,555.93

Finding the Fourth Proportional to 6,427.34, 8,869.23 and 3,555.93

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Solution

The fourth proportional to 6,427.34, 8,869.23 and 3,555.93 is: 4,906.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.34 : 8,869.23 = 3,555.93 : x
  2. Step 2: Convert to fraction form
    6,427.34/8,869.23 = 3,555.93/x
  3. Step 3: Cross multiply
    6,427.34x = 8,869.23 × 3,555.93
  4. Step 4: Simplify right side
    6,427.34x = 31,538,361.03
  5. Step 5: Solve for x
    x = 31,538,361.03/6,427.34
  6. Step 6: Final answer
    x = 4,906.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.