Home / 7,030.69-9,701.99-3,886.27

Finding the Fourth Proportional to 7,030.69, 9,701.99 and 3,886.27

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Solution

The fourth proportional to 7,030.69, 9,701.99 and 3,886.27 is: 5,362.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.69 : 9,701.99 = 3,886.27 : x
  2. Step 2: Convert to fraction form
    7,030.69/9,701.99 = 3,886.27/x
  3. Step 3: Cross multiply
    7,030.69x = 9,701.99 × 3,886.27
  4. Step 4: Simplify right side
    7,030.69x = 37,704,552.68
  5. Step 5: Solve for x
    x = 37,704,552.68/7,030.69
  6. Step 6: Final answer
    x = 5,362.85

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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.