Home / 9,260.63-12,779.68-5,228.33

Finding the Fourth Proportional to 9,260.63, 12,779.68 and 5,228.33

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Solution

The fourth proportional to 9,260.63, 12,779.68 and 5,228.33 is: 7,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.63 : 12,779.68 = 5,228.33 : x
  2. Step 2: Convert to fraction form
    9,260.63/12,779.68 = 5,228.33/x
  3. Step 3: Cross multiply
    9,260.63x = 12,779.68 × 5,228.33
  4. Step 4: Simplify right side
    9,260.63x = 66,816,320.44
  5. Step 5: Solve for x
    x = 66,816,320.44/9,260.63
  6. Step 6: Final answer
    x = 7,215.10

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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.