Home / 6,515.78-9,775.08-3,225.02

Finding the Fourth Proportional to 6,515.78, 9,775.08 and 3,225.02

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Solution

The fourth proportional to 6,515.78, 9,775.08 and 3,225.02 is: 4,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.78 : 9,775.08 = 3,225.02 : x
  2. Step 2: Convert to fraction form
    6,515.78/9,775.08 = 3,225.02/x
  3. Step 3: Cross multiply
    6,515.78x = 9,775.08 × 3,225.02
  4. Step 4: Simplify right side
    6,515.78x = 31,524,779.63
  5. Step 5: Solve for x
    x = 31,524,779.63/6,515.78
  6. Step 6: Final answer
    x = 4,838.22

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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.