Home / 6,528.60-9,799.30-3,245.40

Finding the Fourth Proportional to 6,528.60, 9,799.30 and 3,245.40

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Solution

The fourth proportional to 6,528.60, 9,799.30 and 3,245.40 is: 4,871.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.60 : 9,799.30 = 3,245.40 : x
  2. Step 2: Convert to fraction form
    6,528.60/9,799.30 = 3,245.40/x
  3. Step 3: Cross multiply
    6,528.60x = 9,799.30 × 3,245.40
  4. Step 4: Simplify right side
    6,528.60x = 31,802,648.22
  5. Step 5: Solve for x
    x = 31,802,648.22/6,528.60
  6. Step 6: Final answer
    x = 4,871.28

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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.