Home / 6,816.68-10,225.60-1,886.32

Finding the Fourth Proportional to 6,816.68, 10,225.60 and 1,886.32

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Solution

The fourth proportional to 6,816.68, 10,225.60 and 1,886.32 is: 2,829.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.68 : 10,225.60 = 1,886.32 : x
  2. Step 2: Convert to fraction form
    6,816.68/10,225.60 = 1,886.32/x
  3. Step 3: Cross multiply
    6,816.68x = 10,225.60 × 1,886.32
  4. Step 4: Simplify right side
    6,816.68x = 19,288,753.79
  5. Step 5: Solve for x
    x = 19,288,753.79/6,816.68
  6. Step 6: Final answer
    x = 2,829.64

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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.