Home / 7,973.07-11,007.81-5,141.85

Finding the Fourth Proportional to 7,973.07, 11,007.81 and 5,141.85

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Solution

The fourth proportional to 7,973.07, 11,007.81 and 5,141.85 is: 7,098.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.07 : 11,007.81 = 5,141.85 : x
  2. Step 2: Convert to fraction form
    7,973.07/11,007.81 = 5,141.85/x
  3. Step 3: Cross multiply
    7,973.07x = 11,007.81 × 5,141.85
  4. Step 4: Simplify right side
    7,973.07x = 56,600,507.85
  5. Step 5: Solve for x
    x = 56,600,507.85/7,973.07
  6. Step 6: Final answer
    x = 7,098.96

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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.