Home / 7,200.30-10,790.65-3,495.13

Finding the Fourth Proportional to 7,200.30, 10,790.65 and 3,495.13

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Solution

The fourth proportional to 7,200.30, 10,790.65 and 3,495.13 is: 5,237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.30 : 10,790.65 = 3,495.13 : x
  2. Step 2: Convert to fraction form
    7,200.30/10,790.65 = 3,495.13/x
  3. Step 3: Cross multiply
    7,200.30x = 10,790.65 × 3,495.13
  4. Step 4: Simplify right side
    7,200.30x = 37,714,724.53
  5. Step 5: Solve for x
    x = 37,714,724.53/7,200.30
  6. Step 6: Final answer
    x = 5,237.94

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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.