Home / 5,351.45-8,029.45-2,883.40

Finding the Fourth Proportional to 5,351.45, 8,029.45 and 2,883.40

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Solution

The fourth proportional to 5,351.45, 8,029.45 and 2,883.40 is: 4,326.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.45 : 8,029.45 = 2,883.40 : x
  2. Step 2: Convert to fraction form
    5,351.45/8,029.45 = 2,883.40/x
  3. Step 3: Cross multiply
    5,351.45x = 8,029.45 × 2,883.40
  4. Step 4: Simplify right side
    5,351.45x = 23,152,101.71
  5. Step 5: Solve for x
    x = 23,152,101.71/5,351.45
  6. Step 6: Final answer
    x = 4,326.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.