Home / 6,386.55-8,813.35-3,592.05

Finding the Fourth Proportional to 6,386.55, 8,813.35 and 3,592.05

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Solution

The fourth proportional to 6,386.55, 8,813.35 and 3,592.05 is: 4,956.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.55 : 8,813.35 = 3,592.05 : x
  2. Step 2: Convert to fraction form
    6,386.55/8,813.35 = 3,592.05/x
  3. Step 3: Cross multiply
    6,386.55x = 8,813.35 × 3,592.05
  4. Step 4: Simplify right side
    6,386.55x = 31,657,940.82
  5. Step 5: Solve for x
    x = 31,657,940.82/6,386.55
  6. Step 6: Final answer
    x = 4,956.97

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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.