Home / 7,020.14-9,683.47-4,185.70

Finding the Fourth Proportional to 7,020.14, 9,683.47 and 4,185.70

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Solution

The fourth proportional to 7,020.14, 9,683.47 and 4,185.70 is: 5,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.14 : 9,683.47 = 4,185.70 : x
  2. Step 2: Convert to fraction form
    7,020.14/9,683.47 = 4,185.70/x
  3. Step 3: Cross multiply
    7,020.14x = 9,683.47 × 4,185.70
  4. Step 4: Simplify right side
    7,020.14x = 40,532,065.71
  5. Step 5: Solve for x
    x = 40,532,065.71/7,020.14
  6. Step 6: Final answer
    x = 5,773.68

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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.