Home / 7,897.98-11,848.14-2,631.27

Finding the Fourth Proportional to 7,897.98, 11,848.14 and 2,631.27

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Solution

The fourth proportional to 7,897.98, 11,848.14 and 2,631.27 is: 3,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.98 : 11,848.14 = 2,631.27 : x
  2. Step 2: Convert to fraction form
    7,897.98/11,848.14 = 2,631.27/x
  3. Step 3: Cross multiply
    7,897.98x = 11,848.14 × 2,631.27
  4. Step 4: Simplify right side
    7,897.98x = 31,175,655.34
  5. Step 5: Solve for x
    x = 31,175,655.34/7,897.98
  6. Step 6: Final answer
    x = 3,947.29

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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.