Home / 5,618.40-8,425.92-2,848.32

Finding the Fourth Proportional to 5,618.40, 8,425.92 and 2,848.32

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Solution

The fourth proportional to 5,618.40, 8,425.92 and 2,848.32 is: 4,271.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.40 : 8,425.92 = 2,848.32 : x
  2. Step 2: Convert to fraction form
    5,618.40/8,425.92 = 2,848.32/x
  3. Step 3: Cross multiply
    5,618.40x = 8,425.92 × 2,848.32
  4. Step 4: Simplify right side
    5,618.40x = 23,999,716.45
  5. Step 5: Solve for x
    x = 23,999,716.45/5,618.40
  6. Step 6: Final answer
    x = 4,271.63

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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.