Home / 4,870.89-6,721.47-2,746.31

Finding the Fourth Proportional to 4,870.89, 6,721.47 and 2,746.31

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Solution

The fourth proportional to 4,870.89, 6,721.47 and 2,746.31 is: 3,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.89 : 6,721.47 = 2,746.31 : x
  2. Step 2: Convert to fraction form
    4,870.89/6,721.47 = 2,746.31/x
  3. Step 3: Cross multiply
    4,870.89x = 6,721.47 × 2,746.31
  4. Step 4: Simplify right side
    4,870.89x = 18,459,252.20
  5. Step 5: Solve for x
    x = 18,459,252.20/4,870.89
  6. Step 6: Final answer
    x = 3,789.71

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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.