Home / 6,435.85-8,881.05-3,602.75

Finding the Fourth Proportional to 6,435.85, 8,881.05 and 3,602.75

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Solution

The fourth proportional to 6,435.85, 8,881.05 and 3,602.75 is: 4,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.85 : 8,881.05 = 3,602.75 : x
  2. Step 2: Convert to fraction form
    6,435.85/8,881.05 = 3,602.75/x
  3. Step 3: Cross multiply
    6,435.85x = 8,881.05 × 3,602.75
  4. Step 4: Simplify right side
    6,435.85x = 31,996,202.89
  5. Step 5: Solve for x
    x = 31,996,202.89/6,435.85
  6. Step 6: Final answer
    x = 4,971.56

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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.