Home / 7,528.08-10,387.80-4,383.48

Finding the Fourth Proportional to 7,528.08, 10,387.80 and 4,383.48

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Solution

The fourth proportional to 7,528.08, 10,387.80 and 4,383.48 is: 6,048.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.08 : 10,387.80 = 4,383.48 : x
  2. Step 2: Convert to fraction form
    7,528.08/10,387.80 = 4,383.48/x
  3. Step 3: Cross multiply
    7,528.08x = 10,387.80 × 4,383.48
  4. Step 4: Simplify right side
    7,528.08x = 45,534,713.54
  5. Step 5: Solve for x
    x = 45,534,713.54/7,528.08
  6. Step 6: Final answer
    x = 6,048.65

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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.