Home / 7,387.77-10,194.78-4,030.59

Finding the Fourth Proportional to 7,387.77, 10,194.78 and 4,030.59

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Solution

The fourth proportional to 7,387.77, 10,194.78 and 4,030.59 is: 5,562.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.77 : 10,194.78 = 4,030.59 : x
  2. Step 2: Convert to fraction form
    7,387.77/10,194.78 = 4,030.59/x
  3. Step 3: Cross multiply
    7,387.77x = 10,194.78 × 4,030.59
  4. Step 4: Simplify right side
    7,387.77x = 41,090,978.32
  5. Step 5: Solve for x
    x = 41,090,978.32/7,387.77
  6. Step 6: Final answer
    x = 5,562.03

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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.