Home / 8,977.02-12,388.32-4,999.02

Finding the Fourth Proportional to 8,977.02, 12,388.32 and 4,999.02

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Solution

The fourth proportional to 8,977.02, 12,388.32 and 4,999.02 is: 6,898.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.02 : 12,388.32 = 4,999.02 : x
  2. Step 2: Convert to fraction form
    8,977.02/12,388.32 = 4,999.02/x
  3. Step 3: Cross multiply
    8,977.02x = 12,388.32 × 4,999.02
  4. Step 4: Simplify right side
    8,977.02x = 61,929,459.45
  5. Step 5: Solve for x
    x = 61,929,459.45/8,977.02
  6. Step 6: Final answer
    x = 6,898.67

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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.