Home / 5,556.30-8,332.65-1,857.57

Finding the Fourth Proportional to 5,556.30, 8,332.65 and 1,857.57

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Solution

The fourth proportional to 5,556.30, 8,332.65 and 1,857.57 is: 2,785.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.30 : 8,332.65 = 1,857.57 : x
  2. Step 2: Convert to fraction form
    5,556.30/8,332.65 = 1,857.57/x
  3. Step 3: Cross multiply
    5,556.30x = 8,332.65 × 1,857.57
  4. Step 4: Simplify right side
    5,556.30x = 15,478,480.66
  5. Step 5: Solve for x
    x = 15,478,480.66/5,556.30
  6. Step 6: Final answer
    x = 2,785.75

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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.