Home / 4,647.36-6,412.32-2,784.96

Finding the Fourth Proportional to 4,647.36, 6,412.32 and 2,784.96

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Solution

The fourth proportional to 4,647.36, 6,412.32 and 2,784.96 is: 3,842.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.36 : 6,412.32 = 2,784.96 : x
  2. Step 2: Convert to fraction form
    4,647.36/6,412.32 = 2,784.96/x
  3. Step 3: Cross multiply
    4,647.36x = 6,412.32 × 2,784.96
  4. Step 4: Simplify right side
    4,647.36x = 17,858,054.71
  5. Step 5: Solve for x
    x = 17,858,054.71/4,647.36
  6. Step 6: Final answer
    x = 3,842.62

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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.