Home / 8,358.26-12,526.65-3,421.98

Finding the Fourth Proportional to 8,358.26, 12,526.65 and 3,421.98

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Solution

The fourth proportional to 8,358.26, 12,526.65 and 3,421.98 is: 5,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,358.26 : 12,526.65 = 3,421.98 : x
  2. Step 2: Convert to fraction form
    8,358.26/12,526.65 = 3,421.98/x
  3. Step 3: Cross multiply
    8,358.26x = 12,526.65 × 3,421.98
  4. Step 4: Simplify right side
    8,358.26x = 42,865,945.77
  5. Step 5: Solve for x
    x = 42,865,945.77/8,358.26
  6. Step 6: Final answer
    x = 5,128.58

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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.