Home / 9,128.01-12,596.84-5,148.36

Finding the Fourth Proportional to 9,128.01, 12,596.84 and 5,148.36

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Solution

The fourth proportional to 9,128.01, 12,596.84 and 5,148.36 is: 7,104.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.01 : 12,596.84 = 5,148.36 : x
  2. Step 2: Convert to fraction form
    9,128.01/12,596.84 = 5,148.36/x
  3. Step 3: Cross multiply
    9,128.01x = 12,596.84 × 5,148.36
  4. Step 4: Simplify right side
    9,128.01x = 64,853,067.18
  5. Step 5: Solve for x
    x = 64,853,067.18/9,128.01
  6. Step 6: Final answer
    x = 7,104.84

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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.