Home / 4,870.83-6,721.70-2,775

Finding the Fourth Proportional to 4,870.83, 6,721.70 and 2,775

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Solution

The fourth proportional to 4,870.83, 6,721.70 and 2,775 is: 3,829.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.83 : 6,721.70 = 2,775 : x
  2. Step 2: Convert to fraction form
    4,870.83/6,721.70 = 2,775/x
  3. Step 3: Cross multiply
    4,870.83x = 6,721.70 × 2,775
  4. Step 4: Simplify right side
    4,870.83x = 18,652,703.63
  5. Step 5: Solve for x
    x = 18,652,703.63/4,870.83
  6. Step 6: Final answer
    x = 3,829.47

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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.