Home / 7,724.16-11,580.48-4,645.44

Finding the Fourth Proportional to 7,724.16, 11,580.48 and 4,645.44

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Solution

The fourth proportional to 7,724.16, 11,580.48 and 4,645.44 is: 6,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.16 : 11,580.48 = 4,645.44 : x
  2. Step 2: Convert to fraction form
    7,724.16/11,580.48 = 4,645.44/x
  3. Step 3: Cross multiply
    7,724.16x = 11,580.48 × 4,645.44
  4. Step 4: Simplify right side
    7,724.16x = 53,796,425.01
  5. Step 5: Solve for x
    x = 53,796,425.01/7,724.16
  6. Step 6: Final answer
    x = 6,964.70

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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.