Home / 4,868.10-6,714.81-2,878.50

Finding the Fourth Proportional to 4,868.10, 6,714.81 and 2,878.50

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Solution

The fourth proportional to 4,868.10, 6,714.81 and 2,878.50 is: 3,970.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.10 : 6,714.81 = 2,878.50 : x
  2. Step 2: Convert to fraction form
    4,868.10/6,714.81 = 2,878.50/x
  3. Step 3: Cross multiply
    4,868.10x = 6,714.81 × 2,878.50
  4. Step 4: Simplify right side
    4,868.10x = 19,328,580.59
  5. Step 5: Solve for x
    x = 19,328,580.59/4,868.10
  6. Step 6: Final answer
    x = 3,970.46

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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.