Home / 4,739.77-7,111.86-2,984.35

Finding the Fourth Proportional to 4,739.77, 7,111.86 and 2,984.35

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Solution

The fourth proportional to 4,739.77, 7,111.86 and 2,984.35 is: 4,477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.77 : 7,111.86 = 2,984.35 : x
  2. Step 2: Convert to fraction form
    4,739.77/7,111.86 = 2,984.35/x
  3. Step 3: Cross multiply
    4,739.77x = 7,111.86 × 2,984.35
  4. Step 4: Simplify right side
    4,739.77x = 21,224,279.39
  5. Step 5: Solve for x
    x = 21,224,279.39/4,739.77
  6. Step 6: Final answer
    x = 4,477.91

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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.