Home / 8,883.48-12,259.92-4,905

Finding the Fourth Proportional to 8,883.48, 12,259.92 and 4,905

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Solution

The fourth proportional to 8,883.48, 12,259.92 and 4,905 is: 6,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.48 : 12,259.92 = 4,905 : x
  2. Step 2: Convert to fraction form
    8,883.48/12,259.92 = 4,905/x
  3. Step 3: Cross multiply
    8,883.48x = 12,259.92 × 4,905
  4. Step 4: Simplify right side
    8,883.48x = 60,134,907.60
  5. Step 5: Solve for x
    x = 60,134,907.60/8,883.48
  6. Step 6: Final answer
    x = 6,769.30

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1.5x scale

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.