Home / 7,973.40-11,004.66-4,990.44

Finding the Fourth Proportional to 7,973.40, 11,004.66 and 4,990.44

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Solution

The fourth proportional to 7,973.40, 11,004.66 and 4,990.44 is: 6,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.40 : 11,004.66 = 4,990.44 : x
  2. Step 2: Convert to fraction form
    7,973.40/11,004.66 = 4,990.44/x
  3. Step 3: Cross multiply
    7,973.40x = 11,004.66 × 4,990.44
  4. Step 4: Simplify right side
    7,973.40x = 54,918,095.45
  5. Step 5: Solve for x
    x = 54,918,095.45/7,973.40
  6. Step 6: Final answer
    x = 6,887.66

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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.