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Finding the Fourth Proportional to 8,698.94, 13,031.13 and 4,302.98

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Solution

The fourth proportional to 8,698.94, 13,031.13 and 4,302.98 is: 6,445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.94 : 13,031.13 = 4,302.98 : x
  2. Step 2: Convert to fraction form
    8,698.94/13,031.13 = 4,302.98/x
  3. Step 3: Cross multiply
    8,698.94x = 13,031.13 × 4,302.98
  4. Step 4: Simplify right side
    8,698.94x = 56,072,670.25
  5. Step 5: Solve for x
    x = 56,072,670.25/8,698.94
  6. Step 6: Final answer
    x = 6,445.92

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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.