Home / 7,089.11-9,784.66-4,106.59

Finding the Fourth Proportional to 7,089.11, 9,784.66 and 4,106.59

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Solution

The fourth proportional to 7,089.11, 9,784.66 and 4,106.59 is: 5,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.11 : 9,784.66 = 4,106.59 : x
  2. Step 2: Convert to fraction form
    7,089.11/9,784.66 = 4,106.59/x
  3. Step 3: Cross multiply
    7,089.11x = 9,784.66 × 4,106.59
  4. Step 4: Simplify right side
    7,089.11x = 40,181,586.91
  5. Step 5: Solve for x
    x = 40,181,586.91/7,089.11
  6. Step 6: Final answer
    x = 5,668.07

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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.