Home / 6,784.40-10,176.60-2,889.20

Finding the Fourth Proportional to 6,784.40, 10,176.60 and 2,889.20

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Solution

The fourth proportional to 6,784.40, 10,176.60 and 2,889.20 is: 4,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784.40 : 10,176.60 = 2,889.20 : x
  2. Step 2: Convert to fraction form
    6,784.40/10,176.60 = 2,889.20/x
  3. Step 3: Cross multiply
    6,784.40x = 10,176.60 × 2,889.20
  4. Step 4: Simplify right side
    6,784.40x = 29,402,232.72
  5. Step 5: Solve for x
    x = 29,402,232.72/6,784.40
  6. Step 6: Final answer
    x = 4,333.80

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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.