Home / 8,070.64-12,100.79-3,852.16

Finding the Fourth Proportional to 8,070.64, 12,100.79 and 3,852.16

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Solution

The fourth proportional to 8,070.64, 12,100.79 and 3,852.16 is: 5,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.64 : 12,100.79 = 3,852.16 : x
  2. Step 2: Convert to fraction form
    8,070.64/12,100.79 = 3,852.16/x
  3. Step 3: Cross multiply
    8,070.64x = 12,100.79 × 3,852.16
  4. Step 4: Simplify right side
    8,070.64x = 46,614,158.58
  5. Step 5: Solve for x
    x = 46,614,158.58/8,070.64
  6. Step 6: Final answer
    x = 5,775.77

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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.