Home / 7,019.11-9,685.33-4,035.07

Finding the Fourth Proportional to 7,019.11, 9,685.33 and 4,035.07

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Solution

The fourth proportional to 7,019.11, 9,685.33 and 4,035.07 is: 5,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.11 : 9,685.33 = 4,035.07 : x
  2. Step 2: Convert to fraction form
    7,019.11/9,685.33 = 4,035.07/x
  3. Step 3: Cross multiply
    7,019.11x = 9,685.33 × 4,035.07
  4. Step 4: Simplify right side
    7,019.11x = 39,080,984.52
  5. Step 5: Solve for x
    x = 39,080,984.52/7,019.11
  6. Step 6: Final answer
    x = 5,567.80

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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.