Home / 8,299.18-12,430.14-3,907.36

Finding the Fourth Proportional to 8,299.18, 12,430.14 and 3,907.36

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Solution

The fourth proportional to 8,299.18, 12,430.14 and 3,907.36 is: 5,852.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.18 : 12,430.14 = 3,907.36 : x
  2. Step 2: Convert to fraction form
    8,299.18/12,430.14 = 3,907.36/x
  3. Step 3: Cross multiply
    8,299.18x = 12,430.14 × 3,907.36
  4. Step 4: Simplify right side
    8,299.18x = 48,569,031.83
  5. Step 5: Solve for x
    x = 48,569,031.83/8,299.18
  6. Step 6: Final answer
    x = 5,852.27

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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.