Home / 8,055.64-12,080.04-3,124.36

Finding the Fourth Proportional to 8,055.64, 12,080.04 and 3,124.36

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Solution

The fourth proportional to 8,055.64, 12,080.04 and 3,124.36 is: 4,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.64 : 12,080.04 = 3,124.36 : x
  2. Step 2: Convert to fraction form
    8,055.64/12,080.04 = 3,124.36/x
  3. Step 3: Cross multiply
    8,055.64x = 12,080.04 × 3,124.36
  4. Step 4: Simplify right side
    8,055.64x = 37,742,393.77
  5. Step 5: Solve for x
    x = 37,742,393.77/8,055.64
  6. Step 6: Final answer
    x = 4,685.21

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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.