Home / 7,040.52-10,555.25-3,528.77

Finding the Fourth Proportional to 7,040.52, 10,555.25 and 3,528.77

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Solution

The fourth proportional to 7,040.52, 10,555.25 and 3,528.77 is: 5,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.52 : 10,555.25 = 3,528.77 : x
  2. Step 2: Convert to fraction form
    7,040.52/10,555.25 = 3,528.77/x
  3. Step 3: Cross multiply
    7,040.52x = 10,555.25 × 3,528.77
  4. Step 4: Simplify right side
    7,040.52x = 37,246,979.12
  5. Step 5: Solve for x
    x = 37,246,979.12/7,040.52
  6. Step 6: Final answer
    x = 5,290.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.