Home / 4,727.13-7,089.81-1,394.67

Finding the Fourth Proportional to 4,727.13, 7,089.81 and 1,394.67

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Solution

The fourth proportional to 4,727.13, 7,089.81 and 1,394.67 is: 2,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.13 : 7,089.81 = 1,394.67 : x
  2. Step 2: Convert to fraction form
    4,727.13/7,089.81 = 1,394.67/x
  3. Step 3: Cross multiply
    4,727.13x = 7,089.81 × 1,394.67
  4. Step 4: Simplify right side
    4,727.13x = 9,887,945.31
  5. Step 5: Solve for x
    x = 9,887,945.31/4,727.13
  6. Step 6: Final answer
    x = 2,091.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.