Home / 7,669.80-10,590.30-6,184.80

Finding the Fourth Proportional to 7,669.80, 10,590.30 and 6,184.80

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Solution

The fourth proportional to 7,669.80, 10,590.30 and 6,184.80 is: 8,539.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.80 : 10,590.30 = 6,184.80 : x
  2. Step 2: Convert to fraction form
    7,669.80/10,590.30 = 6,184.80/x
  3. Step 3: Cross multiply
    7,669.80x = 10,590.30 × 6,184.80
  4. Step 4: Simplify right side
    7,669.80x = 65,498,887.44
  5. Step 5: Solve for x
    x = 65,498,887.44/7,669.80
  6. Step 6: Final answer
    x = 8,539.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.