Home / 6,898.60-10,341.40-3,386.44

Finding the Fourth Proportional to 6,898.60, 10,341.40 and 3,386.44

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Solution

The fourth proportional to 6,898.60, 10,341.40 and 3,386.44 is: 5,076.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898.60 : 10,341.40 = 3,386.44 : x
  2. Step 2: Convert to fraction form
    6,898.60/10,341.40 = 3,386.44/x
  3. Step 3: Cross multiply
    6,898.60x = 10,341.40 × 3,386.44
  4. Step 4: Simplify right side
    6,898.60x = 35,020,530.62
  5. Step 5: Solve for x
    x = 35,020,530.62/6,898.60
  6. Step 6: Final answer
    x = 5,076.47

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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.