Home / 7,900.04-11,851.27-2,970.02

Finding the Fourth Proportional to 7,900.04, 11,851.27 and 2,970.02

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Solution

The fourth proportional to 7,900.04, 11,851.27 and 2,970.02 is: 4,455.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.04 : 11,851.27 = 2,970.02 : x
  2. Step 2: Convert to fraction form
    7,900.04/11,851.27 = 2,970.02/x
  3. Step 3: Cross multiply
    7,900.04x = 11,851.27 × 2,970.02
  4. Step 4: Simplify right side
    7,900.04x = 35,198,508.93
  5. Step 5: Solve for x
    x = 35,198,508.93/7,900.04
  6. Step 6: Final answer
    x = 4,455.48

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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.