Home / 6,876.40-10,336.20-6,746.80

Finding the Fourth Proportional to 6,876.40, 10,336.20 and 6,746.80

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Solution

The fourth proportional to 6,876.40, 10,336.20 and 6,746.80 is: 10,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.40 : 10,336.20 = 6,746.80 : x
  2. Step 2: Convert to fraction form
    6,876.40/10,336.20 = 6,746.80/x
  3. Step 3: Cross multiply
    6,876.40x = 10,336.20 × 6,746.80
  4. Step 4: Simplify right side
    6,876.40x = 69,736,274.16
  5. Step 5: Solve for x
    x = 69,736,274.16/6,876.40
  6. Step 6: Final answer
    x = 10,141.39

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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.