Home / 6,455.03-8,905.75-4,098.53

Finding the Fourth Proportional to 6,455.03, 8,905.75 and 4,098.53

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Solution

The fourth proportional to 6,455.03, 8,905.75 and 4,098.53 is: 5,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.03 : 8,905.75 = 4,098.53 : x
  2. Step 2: Convert to fraction form
    6,455.03/8,905.75 = 4,098.53/x
  3. Step 3: Cross multiply
    6,455.03x = 8,905.75 × 4,098.53
  4. Step 4: Simplify right side
    6,455.03x = 36,500,495.57
  5. Step 5: Solve for x
    x = 36,500,495.57/6,455.03
  6. Step 6: Final answer
    x = 5,654.59

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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.