Home / 5,051.99-6,970.91-2,813.81

Finding the Fourth Proportional to 5,051.99, 6,970.91 and 2,813.81

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Solution

The fourth proportional to 5,051.99, 6,970.91 and 2,813.81 is: 3,882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.99 : 6,970.91 = 2,813.81 : x
  2. Step 2: Convert to fraction form
    5,051.99/6,970.91 = 2,813.81/x
  3. Step 3: Cross multiply
    5,051.99x = 6,970.91 × 2,813.81
  4. Step 4: Simplify right side
    5,051.99x = 19,614,767.34
  5. Step 5: Solve for x
    x = 19,614,767.34/5,051.99
  6. Step 6: Final answer
    x = 3,882.58

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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.