Home / 7,970.02-11,955.06-2,127.52

Finding the Fourth Proportional to 7,970.02, 11,955.06 and 2,127.52

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Solution

The fourth proportional to 7,970.02, 11,955.06 and 2,127.52 is: 3,191.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.02 : 11,955.06 = 2,127.52 : x
  2. Step 2: Convert to fraction form
    7,970.02/11,955.06 = 2,127.52/x
  3. Step 3: Cross multiply
    7,970.02x = 11,955.06 × 2,127.52
  4. Step 4: Simplify right side
    7,970.02x = 25,434,629.25
  5. Step 5: Solve for x
    x = 25,434,629.25/7,970.02
  6. Step 6: Final answer
    x = 3,191.29

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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.