Home / 5,657.19-8,487.60-2,539.89

Finding the Fourth Proportional to 5,657.19, 8,487.60 and 2,539.89

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Solution

The fourth proportional to 5,657.19, 8,487.60 and 2,539.89 is: 3,810.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.19 : 8,487.60 = 2,539.89 : x
  2. Step 2: Convert to fraction form
    5,657.19/8,487.60 = 2,539.89/x
  3. Step 3: Cross multiply
    5,657.19x = 8,487.60 × 2,539.89
  4. Step 4: Simplify right side
    5,657.19x = 21,557,570.36
  5. Step 5: Solve for x
    x = 21,557,570.36/5,657.19
  6. Step 6: Final answer
    x = 3,810.65

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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.