Home / 7,883.40-11,815.02-2,948.52

Finding the Fourth Proportional to 7,883.40, 11,815.02 and 2,948.52

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Solution

The fourth proportional to 7,883.40, 11,815.02 and 2,948.52 is: 4,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.40 : 11,815.02 = 2,948.52 : x
  2. Step 2: Convert to fraction form
    7,883.40/11,815.02 = 2,948.52/x
  3. Step 3: Cross multiply
    7,883.40x = 11,815.02 × 2,948.52
  4. Step 4: Simplify right side
    7,883.40x = 34,836,822.77
  5. Step 5: Solve for x
    x = 34,836,822.77/7,883.40
  6. Step 6: Final answer
    x = 4,419.01

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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.