Home / 7,983.50-11,017.23-4,628.26

Finding the Fourth Proportional to 7,983.50, 11,017.23 and 4,628.26

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Solution

The fourth proportional to 7,983.50, 11,017.23 and 4,628.26 is: 6,387.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.50 : 11,017.23 = 4,628.26 : x
  2. Step 2: Convert to fraction form
    7,983.50/11,017.23 = 4,628.26/x
  3. Step 3: Cross multiply
    7,983.50x = 11,017.23 × 4,628.26
  4. Step 4: Simplify right side
    7,983.50x = 50,990,601.34
  5. Step 5: Solve for x
    x = 50,990,601.34/7,983.50
  6. Step 6: Final answer
    x = 6,387.00

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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.