Home / 5,210.70-7,816.46-1,512.99

Finding the Fourth Proportional to 5,210.70, 7,816.46 and 1,512.99

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Solution

The fourth proportional to 5,210.70, 7,816.46 and 1,512.99 is: 2,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.70 : 7,816.46 = 1,512.99 : x
  2. Step 2: Convert to fraction form
    5,210.70/7,816.46 = 1,512.99/x
  3. Step 3: Cross multiply
    5,210.70x = 7,816.46 × 1,512.99
  4. Step 4: Simplify right side
    5,210.70x = 11,826,218.25
  5. Step 5: Solve for x
    x = 11,826,218.25/5,210.70
  6. Step 6: Final answer
    x = 2,269.60

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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.