Home / 4,285.30-6,419.46-3,356.53

Finding the Fourth Proportional to 4,285.30, 6,419.46 and 3,356.53

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Solution

The fourth proportional to 4,285.30, 6,419.46 and 3,356.53 is: 5,028.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.30 : 6,419.46 = 3,356.53 : x
  2. Step 2: Convert to fraction form
    4,285.30/6,419.46 = 3,356.53/x
  3. Step 3: Cross multiply
    4,285.30x = 6,419.46 × 3,356.53
  4. Step 4: Simplify right side
    4,285.30x = 21,547,110.07
  5. Step 5: Solve for x
    x = 21,547,110.07/4,285.30
  6. Step 6: Final answer
    x = 5,028.15

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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.