Home / 7,387.32-10,193.49-4,243.50

Finding the Fourth Proportional to 7,387.32, 10,193.49 and 4,243.50

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Solution

The fourth proportional to 7,387.32, 10,193.49 and 4,243.50 is: 5,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.32 : 10,193.49 = 4,243.50 : x
  2. Step 2: Convert to fraction form
    7,387.32/10,193.49 = 4,243.50/x
  3. Step 3: Cross multiply
    7,387.32x = 10,193.49 × 4,243.50
  4. Step 4: Simplify right side
    7,387.32x = 43,256,079.08
  5. Step 5: Solve for x
    x = 43,256,079.08/7,387.32
  6. Step 6: Final answer
    x = 5,855.45

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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.