Home / 4,071.70-6,107.60-1,298.35

Finding the Fourth Proportional to 4,071.70, 6,107.60 and 1,298.35

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Solution

The fourth proportional to 4,071.70, 6,107.60 and 1,298.35 is: 1,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.70 : 6,107.60 = 1,298.35 : x
  2. Step 2: Convert to fraction form
    4,071.70/6,107.60 = 1,298.35/x
  3. Step 3: Cross multiply
    4,071.70x = 6,107.60 × 1,298.35
  4. Step 4: Simplify right side
    4,071.70x = 7,929,802.46
  5. Step 5: Solve for x
    x = 7,929,802.46/4,071.70
  6. Step 6: Final answer
    x = 1,947.54

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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.