Home / 5,654.90-8,486.40-3,187.10

Finding the Fourth Proportional to 5,654.90, 8,486.40 and 3,187.10

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Solution

The fourth proportional to 5,654.90, 8,486.40 and 3,187.10 is: 4,782.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,654.90 : 8,486.40 = 3,187.10 : x
  2. Step 2: Convert to fraction form
    5,654.90/8,486.40 = 3,187.10/x
  3. Step 3: Cross multiply
    5,654.90x = 8,486.40 × 3,187.10
  4. Step 4: Simplify right side
    5,654.90x = 27,047,005.44
  5. Step 5: Solve for x
    x = 27,047,005.44/5,654.90
  6. Step 6: Final answer
    x = 4,782.93

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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.