Home / 4,968.36-7,440.86-2,917.80

Finding the Fourth Proportional to 4,968.36, 7,440.86 and 2,917.80

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Solution

The fourth proportional to 4,968.36, 7,440.86 and 2,917.80 is: 4,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.36 : 7,440.86 = 2,917.80 : x
  2. Step 2: Convert to fraction form
    4,968.36/7,440.86 = 2,917.80/x
  3. Step 3: Cross multiply
    4,968.36x = 7,440.86 × 2,917.80
  4. Step 4: Simplify right side
    4,968.36x = 21,710,941.31
  5. Step 5: Solve for x
    x = 21,710,941.31/4,968.36
  6. Step 6: Final answer
    x = 4,369.84

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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.