Home / 6,239.90-9,360.33-1,857.02

Finding the Fourth Proportional to 6,239.90, 9,360.33 and 1,857.02

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Solution

The fourth proportional to 6,239.90, 9,360.33 and 1,857.02 is: 2,785.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.90 : 9,360.33 = 1,857.02 : x
  2. Step 2: Convert to fraction form
    6,239.90/9,360.33 = 1,857.02/x
  3. Step 3: Cross multiply
    6,239.90x = 9,360.33 × 1,857.02
  4. Step 4: Simplify right side
    6,239.90x = 17,382,320.02
  5. Step 5: Solve for x
    x = 17,382,320.02/6,239.90
  6. Step 6: Final answer
    x = 2,785.67

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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.