Home / 4,200.09-6,298.31-1,277.70

Finding the Fourth Proportional to 4,200.09, 6,298.31 and 1,277.70

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Solution

The fourth proportional to 4,200.09, 6,298.31 and 1,277.70 is: 1,915.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.09 : 6,298.31 = 1,277.70 : x
  2. Step 2: Convert to fraction form
    4,200.09/6,298.31 = 1,277.70/x
  3. Step 3: Cross multiply
    4,200.09x = 6,298.31 × 1,277.70
  4. Step 4: Simplify right side
    4,200.09x = 8,047,344.30
  5. Step 5: Solve for x
    x = 8,047,344.30/4,200.09
  6. Step 6: Final answer
    x = 1,915.99

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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.