Home / 5,555.71-8,334.42-1,857.07

Finding the Fourth Proportional to 5,555.71, 8,334.42 and 1,857.07

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Solution

The fourth proportional to 5,555.71, 8,334.42 and 1,857.07 is: 2,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.71 : 8,334.42 = 1,857.07 : x
  2. Step 2: Convert to fraction form
    5,555.71/8,334.42 = 1,857.07/x
  3. Step 3: Cross multiply
    5,555.71x = 8,334.42 × 1,857.07
  4. Step 4: Simplify right side
    5,555.71x = 15,477,601.35
  5. Step 5: Solve for x
    x = 15,477,601.35/5,555.71
  6. Step 6: Final answer
    x = 2,785.89

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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.