Home / 6,884.80-10,316.40-5,783.20

Finding the Fourth Proportional to 6,884.80, 10,316.40 and 5,783.20

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Solution

The fourth proportional to 6,884.80, 10,316.40 and 5,783.20 is: 8,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.80 : 10,316.40 = 5,783.20 : x
  2. Step 2: Convert to fraction form
    6,884.80/10,316.40 = 5,783.20/x
  3. Step 3: Cross multiply
    6,884.80x = 10,316.40 × 5,783.20
  4. Step 4: Simplify right side
    6,884.80x = 59,661,804.48
  5. Step 5: Solve for x
    x = 59,661,804.48/6,884.80
  6. Step 6: Final answer
    x = 8,665.73

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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.