Home / 5,455.07-8,184.63-2,856.19

Finding the Fourth Proportional to 5,455.07, 8,184.63 and 2,856.19

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Solution

The fourth proportional to 5,455.07, 8,184.63 and 2,856.19 is: 4,285.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.07 : 8,184.63 = 2,856.19 : x
  2. Step 2: Convert to fraction form
    5,455.07/8,184.63 = 2,856.19/x
  3. Step 3: Cross multiply
    5,455.07x = 8,184.63 × 2,856.19
  4. Step 4: Simplify right side
    5,455.07x = 23,376,817.44
  5. Step 5: Solve for x
    x = 23,376,817.44/5,455.07
  6. Step 6: Final answer
    x = 4,285.34

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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.