Home / 6,526.40-9,775.20-3,924.80

Finding the Fourth Proportional to 6,526.40, 9,775.20 and 3,924.80

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Solution

The fourth proportional to 6,526.40, 9,775.20 and 3,924.80 is: 5,878.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,526.40 : 9,775.20 = 3,924.80 : x
  2. Step 2: Convert to fraction form
    6,526.40/9,775.20 = 3,924.80/x
  3. Step 3: Cross multiply
    6,526.40x = 9,775.20 × 3,924.80
  4. Step 4: Simplify right side
    6,526.40x = 38,365,704.96
  5. Step 5: Solve for x
    x = 38,365,704.96/6,526.40
  6. Step 6: Final answer
    x = 5,878.54

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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.