Home / 6,089.90-9,090.77-5,351.78

Finding the Fourth Proportional to 6,089.90, 9,090.77 and 5,351.78

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Solution

The fourth proportional to 6,089.90, 9,090.77 and 5,351.78 is: 7,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,089.90 : 9,090.77 = 5,351.78 : x
  2. Step 2: Convert to fraction form
    6,089.90/9,090.77 = 5,351.78/x
  3. Step 3: Cross multiply
    6,089.90x = 9,090.77 × 5,351.78
  4. Step 4: Simplify right side
    6,089.90x = 48,651,728.86
  5. Step 5: Solve for x
    x = 48,651,728.86/6,089.90
  6. Step 6: Final answer
    x = 7,988.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.