Home / 7,970.04-11,955.60-2,126.52

Finding the Fourth Proportional to 7,970.04, 11,955.60 and 2,126.52

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Solution

The fourth proportional to 7,970.04, 11,955.60 and 2,126.52 is: 3,189.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.04 : 11,955.60 = 2,126.52 : x
  2. Step 2: Convert to fraction form
    7,970.04/11,955.60 = 2,126.52/x
  3. Step 3: Cross multiply
    7,970.04x = 11,955.60 × 2,126.52
  4. Step 4: Simplify right side
    7,970.04x = 25,423,822.51
  5. Step 5: Solve for x
    x = 25,423,822.51/7,970.04
  6. Step 6: Final answer
    x = 3,189.92

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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.