Home / 8,255.56-12,386.50-4,971

Finding the Fourth Proportional to 8,255.56, 12,386.50 and 4,971

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Solution

The fourth proportional to 8,255.56, 12,386.50 and 4,971 is: 7,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.56 : 12,386.50 = 4,971 : x
  2. Step 2: Convert to fraction form
    8,255.56/12,386.50 = 4,971/x
  3. Step 3: Cross multiply
    8,255.56x = 12,386.50 × 4,971
  4. Step 4: Simplify right side
    8,255.56x = 61,573,291.50
  5. Step 5: Solve for x
    x = 61,573,291.50/8,255.56
  6. Step 6: Final answer
    x = 7,458.40

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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.