Home / 7,991.40-11,027.53-4,634.67

Finding the Fourth Proportional to 7,991.40, 11,027.53 and 4,634.67

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Solution

The fourth proportional to 7,991.40, 11,027.53 and 4,634.67 is: 6,395.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.40 : 11,027.53 = 4,634.67 : x
  2. Step 2: Convert to fraction form
    7,991.40/11,027.53 = 4,634.67/x
  3. Step 3: Cross multiply
    7,991.40x = 11,027.53 × 4,634.67
  4. Step 4: Simplify right side
    7,991.40x = 51,108,962.47
  5. Step 5: Solve for x
    x = 51,108,962.47/7,991.40
  6. Step 6: Final answer
    x = 6,395.50

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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.