Home / 7,983.69-11,017.50-4,628.45

Finding the Fourth Proportional to 7,983.69, 11,017.50 and 4,628.45

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Solution

The fourth proportional to 7,983.69, 11,017.50 and 4,628.45 is: 6,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.69 : 11,017.50 = 4,628.45 : x
  2. Step 2: Convert to fraction form
    7,983.69/11,017.50 = 4,628.45/x
  3. Step 3: Cross multiply
    7,983.69x = 11,017.50 × 4,628.45
  4. Step 4: Simplify right side
    7,983.69x = 50,993,975.42
  5. Step 5: Solve for x
    x = 50,993,975.42/7,983.69
  6. Step 6: Final answer
    x = 6,387.27

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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.