Home / 8,190.04-12,285.02-3,258.36

Finding the Fourth Proportional to 8,190.04, 12,285.02 and 3,258.36

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Solution

The fourth proportional to 8,190.04, 12,285.02 and 3,258.36 is: 4,887.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.04 : 12,285.02 = 3,258.36 : x
  2. Step 2: Convert to fraction form
    8,190.04/12,285.02 = 3,258.36/x
  3. Step 3: Cross multiply
    8,190.04x = 12,285.02 × 3,258.36
  4. Step 4: Simplify right side
    8,190.04x = 40,029,017.77
  5. Step 5: Solve for x
    x = 40,029,017.77/8,190.04
  6. Step 6: Final answer
    x = 4,887.52

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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.