Home / 9,903.28-14,857.32-2,977.76

Finding the Fourth Proportional to 9,903.28, 14,857.32 and 2,977.76

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Solution

The fourth proportional to 9,903.28, 14,857.32 and 2,977.76 is: 4,467.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,903.28 : 14,857.32 = 2,977.76 : x
  2. Step 2: Convert to fraction form
    9,903.28/14,857.32 = 2,977.76/x
  3. Step 3: Cross multiply
    9,903.28x = 14,857.32 × 2,977.76
  4. Step 4: Simplify right side
    9,903.28x = 44,241,533.20
  5. Step 5: Solve for x
    x = 44,241,533.20/9,903.28
  6. Step 6: Final answer
    x = 4,467.36

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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.