Home / 6,313,784.30-8,712,810.20-3,991,926.60

Finding the Fourth Proportional to 6,313,784.30, 8,712,810.20 and 3,991,926.60

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Solution

The fourth proportional to 6,313,784.30, 8,712,810.20 and 3,991,926.60 is: 5,508,724.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313,784.30 : 8,712,810.20 = 3,991,926.60 : x
  2. Step 2: Convert to fraction form
    6,313,784.30/8,712,810.20 = 3,991,926.60/x
  3. Step 3: Cross multiply
    6,313,784.30x = 8,712,810.20 × 3,991,926.60
  4. Step 4: Simplify right side
    6,313,784.30x = 34,780,898,798,131.32
  5. Step 5: Solve for x
    x = 34,780,898,798,131.32/6,313,784.30
  6. Step 6: Final answer
    x = 5,508,724.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.