Home / 7,883.21-10,878.80-4,346.39

Finding the Fourth Proportional to 7,883.21, 10,878.80 and 4,346.39

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Solution

The fourth proportional to 7,883.21, 10,878.80 and 4,346.39 is: 5,998.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.21 : 10,878.80 = 4,346.39 : x
  2. Step 2: Convert to fraction form
    7,883.21/10,878.80 = 4,346.39/x
  3. Step 3: Cross multiply
    7,883.21x = 10,878.80 × 4,346.39
  4. Step 4: Simplify right side
    7,883.21x = 47,283,431.41
  5. Step 5: Solve for x
    x = 47,283,431.41/7,883.21
  6. Step 6: Final answer
    x = 5,998.00

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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.