Home / 5,555.83-8,332.01-1,857.20

Finding the Fourth Proportional to 5,555.83, 8,332.01 and 1,857.20

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Solution

The fourth proportional to 5,555.83, 8,332.01 and 1,857.20 is: 2,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.83 : 8,332.01 = 1,857.20 : x
  2. Step 2: Convert to fraction form
    5,555.83/8,332.01 = 1,857.20/x
  3. Step 3: Cross multiply
    5,555.83x = 8,332.01 × 1,857.20
  4. Step 4: Simplify right side
    5,555.83x = 15,474,245.74
  5. Step 5: Solve for x
    x = 15,474,245.74/5,555.83
  6. Step 6: Final answer
    x = 2,785.23

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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.