Home / 7,731.20-10,669.02-4,194.34

Finding the Fourth Proportional to 7,731.20, 10,669.02 and 4,194.34

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Solution

The fourth proportional to 7,731.20, 10,669.02 and 4,194.34 is: 5,788.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.20 : 10,669.02 = 4,194.34 : x
  2. Step 2: Convert to fraction form
    7,731.20/10,669.02 = 4,194.34/x
  3. Step 3: Cross multiply
    7,731.20x = 10,669.02 × 4,194.34
  4. Step 4: Simplify right side
    7,731.20x = 44,749,457.00
  5. Step 5: Solve for x
    x = 44,749,457.00/7,731.20
  6. Step 6: Final answer
    x = 5,788.16

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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.