Home / 7,449.72-10,284.12-4,305.30

Finding the Fourth Proportional to 7,449.72, 10,284.12 and 4,305.30

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Solution

The fourth proportional to 7,449.72, 10,284.12 and 4,305.30 is: 5,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.72 : 10,284.12 = 4,305.30 : x
  2. Step 2: Convert to fraction form
    7,449.72/10,284.12 = 4,305.30/x
  3. Step 3: Cross multiply
    7,449.72x = 10,284.12 × 4,305.30
  4. Step 4: Simplify right side
    7,449.72x = 44,276,221.84
  5. Step 5: Solve for x
    x = 44,276,221.84/7,449.72
  6. Step 6: Final answer
    x = 5,943.34

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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.