Home / 4,975.36-6,866.16-2,851.20

Finding the Fourth Proportional to 4,975.36, 6,866.16 and 2,851.20

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Solution

The fourth proportional to 4,975.36, 6,866.16 and 2,851.20 is: 3,934.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.36 : 6,866.16 = 2,851.20 : x
  2. Step 2: Convert to fraction form
    4,975.36/6,866.16 = 2,851.20/x
  3. Step 3: Cross multiply
    4,975.36x = 6,866.16 × 2,851.20
  4. Step 4: Simplify right side
    4,975.36x = 19,576,795.39
  5. Step 5: Solve for x
    x = 19,576,795.39/4,975.36
  6. Step 6: Final answer
    x = 3,934.75

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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.