Home / 5,555.26-8,332.86-1,857.49

Finding the Fourth Proportional to 5,555.26, 8,332.86 and 1,857.49

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Solution

The fourth proportional to 5,555.26, 8,332.86 and 1,857.49 is: 2,786.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.26 : 8,332.86 = 1,857.49 : x
  2. Step 2: Convert to fraction form
    5,555.26/8,332.86 = 1,857.49/x
  3. Step 3: Cross multiply
    5,555.26x = 8,332.86 × 1,857.49
  4. Step 4: Simplify right side
    5,555.26x = 15,478,204.12
  5. Step 5: Solve for x
    x = 15,478,204.12/5,555.26
  6. Step 6: Final answer
    x = 2,786.22

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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.