Home / 9,480.28-14,216.40-2,905

Finding the Fourth Proportional to 9,480.28, 14,216.40 and 2,905

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Solution

The fourth proportional to 9,480.28, 14,216.40 and 2,905 is: 4,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.28 : 14,216.40 = 2,905 : x
  2. Step 2: Convert to fraction form
    9,480.28/14,216.40 = 2,905/x
  3. Step 3: Cross multiply
    9,480.28x = 14,216.40 × 2,905
  4. Step 4: Simplify right side
    9,480.28x = 41,298,642
  5. Step 5: Solve for x
    x = 41,298,642/9,480.28
  6. Step 6: Final answer
    x = 4,356.27

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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.