Home / 4,870.15-6,721.40-2,746.09

Finding the Fourth Proportional to 4,870.15, 6,721.40 and 2,746.09

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Solution

The fourth proportional to 4,870.15, 6,721.40 and 2,746.09 is: 3,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.15 : 6,721.40 = 2,746.09 : x
  2. Step 2: Convert to fraction form
    4,870.15/6,721.40 = 2,746.09/x
  3. Step 3: Cross multiply
    4,870.15x = 6,721.40 × 2,746.09
  4. Step 4: Simplify right side
    4,870.15x = 18,457,569.33
  5. Step 5: Solve for x
    x = 18,457,569.33/4,870.15
  6. Step 6: Final answer
    x = 3,789.94

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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.