Home / 7,830.24-10,799.45-6,884.02

Finding the Fourth Proportional to 7,830.24, 10,799.45 and 6,884.02

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Solution

The fourth proportional to 7,830.24, 10,799.45 and 6,884.02 is: 9,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830.24 : 10,799.45 = 6,884.02 : x
  2. Step 2: Convert to fraction form
    7,830.24/10,799.45 = 6,884.02/x
  3. Step 3: Cross multiply
    7,830.24x = 10,799.45 × 6,884.02
  4. Step 4: Simplify right side
    7,830.24x = 74,343,629.79
  5. Step 5: Solve for x
    x = 74,343,629.79/7,830.24
  6. Step 6: Final answer
    x = 9,494.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.