Home / 4,021.52-6,030.73-1,247.45

Finding the Fourth Proportional to 4,021.52, 6,030.73 and 1,247.45

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Solution

The fourth proportional to 4,021.52, 6,030.73 and 1,247.45 is: 1,870.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.52 : 6,030.73 = 1,247.45 : x
  2. Step 2: Convert to fraction form
    4,021.52/6,030.73 = 1,247.45/x
  3. Step 3: Cross multiply
    4,021.52x = 6,030.73 × 1,247.45
  4. Step 4: Simplify right side
    4,021.52x = 7,523,000.87
  5. Step 5: Solve for x
    x = 7,523,000.87/4,021.52
  6. Step 6: Final answer
    x = 1,870.69

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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.