Home / 7,670.80-11,450.21-6,582.16

Finding the Fourth Proportional to 7,670.80, 11,450.21 and 6,582.16

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Solution

The fourth proportional to 7,670.80, 11,450.21 and 6,582.16 is: 9,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.80 : 11,450.21 = 6,582.16 : x
  2. Step 2: Convert to fraction form
    7,670.80/11,450.21 = 6,582.16/x
  3. Step 3: Cross multiply
    7,670.80x = 11,450.21 × 6,582.16
  4. Step 4: Simplify right side
    7,670.80x = 75,367,114.25
  5. Step 5: Solve for x
    x = 75,367,114.25/7,670.80
  6. Step 6: Final answer
    x = 9,825.20

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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.