Home / 4,333.30-6,499.47-1,255.30

Finding the Fourth Proportional to 4,333.30, 6,499.47 and 1,255.30

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Solution

The fourth proportional to 4,333.30, 6,499.47 and 1,255.30 is: 1,882.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,333.30 : 6,499.47 = 1,255.30 : x
  2. Step 2: Convert to fraction form
    4,333.30/6,499.47 = 1,255.30/x
  3. Step 3: Cross multiply
    4,333.30x = 6,499.47 × 1,255.30
  4. Step 4: Simplify right side
    4,333.30x = 8,158,784.69
  5. Step 5: Solve for x
    x = 8,158,784.69/4,333.30
  6. Step 6: Final answer
    x = 1,882.81

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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.