Home / 7,886.50-10,883.37-4,349.68

Finding the Fourth Proportional to 7,886.50, 10,883.37 and 4,349.68

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Solution

The fourth proportional to 7,886.50, 10,883.37 and 4,349.68 is: 6,002.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.50 : 10,883.37 = 4,349.68 : x
  2. Step 2: Convert to fraction form
    7,886.50/10,883.37 = 4,349.68/x
  3. Step 3: Cross multiply
    7,886.50x = 10,883.37 × 4,349.68
  4. Step 4: Simplify right side
    7,886.50x = 47,339,176.82
  5. Step 5: Solve for x
    x = 47,339,176.82/7,886.50
  6. Step 6: Final answer
    x = 6,002.56

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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.