Home / 6,923.90-10,384.55-1,858.16

Finding the Fourth Proportional to 6,923.90, 10,384.55 and 1,858.16

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Solution

The fourth proportional to 6,923.90, 10,384.55 and 1,858.16 is: 2,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.90 : 10,384.55 = 1,858.16 : x
  2. Step 2: Convert to fraction form
    6,923.90/10,384.55 = 1,858.16/x
  3. Step 3: Cross multiply
    6,923.90x = 10,384.55 × 1,858.16
  4. Step 4: Simplify right side
    6,923.90x = 19,296,094.21
  5. Step 5: Solve for x
    x = 19,296,094.21/6,923.90
  6. Step 6: Final answer
    x = 2,786.88

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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.