Home / 4,870.26-6,721.25-2,880.36

Finding the Fourth Proportional to 4,870.26, 6,721.25 and 2,880.36

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Solution

The fourth proportional to 4,870.26, 6,721.25 and 2,880.36 is: 3,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.26 : 6,721.25 = 2,880.36 : x
  2. Step 2: Convert to fraction form
    4,870.26/6,721.25 = 2,880.36/x
  3. Step 3: Cross multiply
    4,870.26x = 6,721.25 × 2,880.36
  4. Step 4: Simplify right side
    4,870.26x = 19,359,605.25
  5. Step 5: Solve for x
    x = 19,359,605.25/4,870.26
  6. Step 6: Final answer
    x = 3,975.07

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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.