Home / 5,697.80-8,547.55-1,999.38

Finding the Fourth Proportional to 5,697.80, 8,547.55 and 1,999.38

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Solution

The fourth proportional to 5,697.80, 8,547.55 and 1,999.38 is: 2,999.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.80 : 8,547.55 = 1,999.38 : x
  2. Step 2: Convert to fraction form
    5,697.80/8,547.55 = 1,999.38/x
  3. Step 3: Cross multiply
    5,697.80x = 8,547.55 × 1,999.38
  4. Step 4: Simplify right side
    5,697.80x = 17,089,761.08
  5. Step 5: Solve for x
    x = 17,089,761.08/5,697.80
  6. Step 6: Final answer
    x = 2,999.36

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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.