Home / 7,848.90-10,829.16-6,520.50

Finding the Fourth Proportional to 7,848.90, 10,829.16 and 6,520.50

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Solution

The fourth proportional to 7,848.90, 10,829.16 and 6,520.50 is: 8,996.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.90 : 10,829.16 = 6,520.50 : x
  2. Step 2: Convert to fraction form
    7,848.90/10,829.16 = 6,520.50/x
  3. Step 3: Cross multiply
    7,848.90x = 10,829.16 × 6,520.50
  4. Step 4: Simplify right side
    7,848.90x = 70,611,537.78
  5. Step 5: Solve for x
    x = 70,611,537.78/7,848.90
  6. Step 6: Final answer
    x = 8,996.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.