Home / 5,783.30-8,674.74-1,887.69

Finding the Fourth Proportional to 5,783.30, 8,674.74 and 1,887.69

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Solution

The fourth proportional to 5,783.30, 8,674.74 and 1,887.69 is: 2,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783.30 : 8,674.74 = 1,887.69 : x
  2. Step 2: Convert to fraction form
    5,783.30/8,674.74 = 1,887.69/x
  3. Step 3: Cross multiply
    5,783.30x = 8,674.74 × 1,887.69
  4. Step 4: Simplify right side
    5,783.30x = 16,375,219.95
  5. Step 5: Solve for x
    x = 16,375,219.95/5,783.30
  6. Step 6: Final answer
    x = 2,831.47

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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.