Home / 10,080.40-15,102.60-4,874.80

Finding the Fourth Proportional to 10,080.40, 15,102.60 and 4,874.80

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Solution

The fourth proportional to 10,080.40, 15,102.60 and 4,874.80 is: 7,303.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.40 : 15,102.60 = 4,874.80 : x
  2. Step 2: Convert to fraction form
    10,080.40/15,102.60 = 4,874.80/x
  3. Step 3: Cross multiply
    10,080.40x = 15,102.60 × 4,874.80
  4. Step 4: Simplify right side
    10,080.40x = 73,622,154.48
  5. Step 5: Solve for x
    x = 73,622,154.48/10,080.40
  6. Step 6: Final answer
    x = 7,303.50

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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.