Home / 9,479.69-14,219.41-4,285.56

Finding the Fourth Proportional to 9,479.69, 14,219.41 and 4,285.56

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Solution

The fourth proportional to 9,479.69, 14,219.41 and 4,285.56 is: 6,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.69 : 14,219.41 = 4,285.56 : x
  2. Step 2: Convert to fraction form
    9,479.69/14,219.41 = 4,285.56/x
  3. Step 3: Cross multiply
    9,479.69x = 14,219.41 × 4,285.56
  4. Step 4: Simplify right side
    9,479.69x = 60,938,134.72
  5. Step 5: Solve for x
    x = 60,938,134.72/9,479.69
  6. Step 6: Final answer
    x = 6,428.28

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1.5x scale

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.