Home / 8,975.61-12,386.32-4,996.64

Finding the Fourth Proportional to 8,975.61, 12,386.32 and 4,996.64

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Solution

The fourth proportional to 8,975.61, 12,386.32 and 4,996.64 is: 6,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.61 : 12,386.32 = 4,996.64 : x
  2. Step 2: Convert to fraction form
    8,975.61/12,386.32 = 4,996.64/x
  3. Step 3: Cross multiply
    8,975.61x = 12,386.32 × 4,996.64
  4. Step 4: Simplify right side
    8,975.61x = 61,890,000.44
  5. Step 5: Solve for x
    x = 61,890,000.44/8,975.61
  6. Step 6: Final answer
    x = 6,895.35

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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.