Home / 4,853.50-6,698.37-2,990.50

Finding the Fourth Proportional to 4,853.50, 6,698.37 and 2,990.50

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Solution

The fourth proportional to 4,853.50, 6,698.37 and 2,990.50 is: 4,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,853.50 : 6,698.37 = 2,990.50 : x
  2. Step 2: Convert to fraction form
    4,853.50/6,698.37 = 2,990.50/x
  3. Step 3: Cross multiply
    4,853.50x = 6,698.37 × 2,990.50
  4. Step 4: Simplify right side
    4,853.50x = 20,031,475.49
  5. Step 5: Solve for x
    x = 20,031,475.49/4,853.50
  6. Step 6: Final answer
    x = 4,127.22

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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.