Home / 8,485.02-12,706.30-5,355.58

Finding the Fourth Proportional to 8,485.02, 12,706.30 and 5,355.58

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Solution

The fourth proportional to 8,485.02, 12,706.30 and 5,355.58 is: 8,019.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.02 : 12,706.30 = 5,355.58 : x
  2. Step 2: Convert to fraction form
    8,485.02/12,706.30 = 5,355.58/x
  3. Step 3: Cross multiply
    8,485.02x = 12,706.30 × 5,355.58
  4. Step 4: Simplify right side
    8,485.02x = 68,049,606.15
  5. Step 5: Solve for x
    x = 68,049,606.15/8,485.02
  6. Step 6: Final answer
    x = 8,019.97

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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.