Home / 8,947.36-12,347.31-4,914.27

Finding the Fourth Proportional to 8,947.36, 12,347.31 and 4,914.27

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Solution

The fourth proportional to 8,947.36, 12,347.31 and 4,914.27 is: 6,781.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.36 : 12,347.31 = 4,914.27 : x
  2. Step 2: Convert to fraction form
    8,947.36/12,347.31 = 4,914.27/x
  3. Step 3: Cross multiply
    8,947.36x = 12,347.31 × 4,914.27
  4. Step 4: Simplify right side
    8,947.36x = 60,678,015.11
  5. Step 5: Solve for x
    x = 60,678,015.11/8,947.36
  6. Step 6: Final answer
    x = 6,781.67

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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.