Home / 7,669.31-11,498.84-6,190.35

Finding the Fourth Proportional to 7,669.31, 11,498.84 and 6,190.35

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Solution

The fourth proportional to 7,669.31, 11,498.84 and 6,190.35 is: 9,281.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.31 : 11,498.84 = 6,190.35 : x
  2. Step 2: Convert to fraction form
    7,669.31/11,498.84 = 6,190.35/x
  3. Step 3: Cross multiply
    7,669.31x = 11,498.84 × 6,190.35
  4. Step 4: Simplify right side
    7,669.31x = 71,181,808.27
  5. Step 5: Solve for x
    x = 71,181,808.27/7,669.31
  6. Step 6: Final answer
    x = 9,281.39

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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.