Home / 8,311.54-12,485.40-5,026.18

Finding the Fourth Proportional to 8,311.54, 12,485.40 and 5,026.18

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Solution

The fourth proportional to 8,311.54, 12,485.40 and 5,026.18 is: 7,550.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.54 : 12,485.40 = 5,026.18 : x
  2. Step 2: Convert to fraction form
    8,311.54/12,485.40 = 5,026.18/x
  3. Step 3: Cross multiply
    8,311.54x = 12,485.40 × 5,026.18
  4. Step 4: Simplify right side
    8,311.54x = 62,753,867.77
  5. Step 5: Solve for x
    x = 62,753,867.77/8,311.54
  6. Step 6: Final answer
    x = 7,550.21

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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.