Home / 7,863.22-10,852.41-4,878.10

Finding the Fourth Proportional to 7,863.22, 10,852.41 and 4,878.10

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Solution

The fourth proportional to 7,863.22, 10,852.41 and 4,878.10 is: 6,732.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.22 : 10,852.41 = 4,878.10 : x
  2. Step 2: Convert to fraction form
    7,863.22/10,852.41 = 4,878.10/x
  3. Step 3: Cross multiply
    7,863.22x = 10,852.41 × 4,878.10
  4. Step 4: Simplify right side
    7,863.22x = 52,939,141.22
  5. Step 5: Solve for x
    x = 52,939,141.22/7,863.22
  6. Step 6: Final answer
    x = 6,732.50

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1.5x scale

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.