Home / 7,901.10-11,851.22-2,970.36

Finding the Fourth Proportional to 7,901.10, 11,851.22 and 2,970.36

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Solution

The fourth proportional to 7,901.10, 11,851.22 and 2,970.36 is: 4,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.10 : 11,851.22 = 2,970.36 : x
  2. Step 2: Convert to fraction form
    7,901.10/11,851.22 = 2,970.36/x
  3. Step 3: Cross multiply
    7,901.10x = 11,851.22 × 2,970.36
  4. Step 4: Simplify right side
    7,901.10x = 35,202,389.84
  5. Step 5: Solve for x
    x = 35,202,389.84/7,901.10
  6. Step 6: Final answer
    x = 4,455.38

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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.