Home / 4,189.30-6,284.14-1,557.50

Finding the Fourth Proportional to 4,189.30, 6,284.14 and 1,557.50

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Solution

The fourth proportional to 4,189.30, 6,284.14 and 1,557.50 is: 2,336.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.30 : 6,284.14 = 1,557.50 : x
  2. Step 2: Convert to fraction form
    4,189.30/6,284.14 = 1,557.50/x
  3. Step 3: Cross multiply
    4,189.30x = 6,284.14 × 1,557.50
  4. Step 4: Simplify right side
    4,189.30x = 9,787,548.05
  5. Step 5: Solve for x
    x = 9,787,548.05/4,189.30
  6. Step 6: Final answer
    x = 2,336.32

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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.