Home / 7,272.02-10,031.36-4,287.44

Finding the Fourth Proportional to 7,272.02, 10,031.36 and 4,287.44

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Solution

The fourth proportional to 7,272.02, 10,031.36 and 4,287.44 is: 5,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.02 : 10,031.36 = 4,287.44 : x
  2. Step 2: Convert to fraction form
    7,272.02/10,031.36 = 4,287.44/x
  3. Step 3: Cross multiply
    7,272.02x = 10,031.36 × 4,287.44
  4. Step 4: Simplify right side
    7,272.02x = 43,008,854.12
  5. Step 5: Solve for x
    x = 43,008,854.12/7,272.02
  6. Step 6: Final answer
    x = 5,914.29

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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.