Home / 8,160.32-12,240.48-4,056.32

Finding the Fourth Proportional to 8,160.32, 12,240.48 and 4,056.32

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Solution

The fourth proportional to 8,160.32, 12,240.48 and 4,056.32 is: 6,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.32 : 12,240.48 = 4,056.32 : x
  2. Step 2: Convert to fraction form
    8,160.32/12,240.48 = 4,056.32/x
  3. Step 3: Cross multiply
    8,160.32x = 12,240.48 × 4,056.32
  4. Step 4: Simplify right side
    8,160.32x = 49,651,303.83
  5. Step 5: Solve for x
    x = 49,651,303.83/8,160.32
  6. Step 6: Final answer
    x = 6,084.48

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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.