Home / 7,032.69-9,705.08-3,888.87

Finding the Fourth Proportional to 7,032.69, 9,705.08 and 3,888.87

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Solution

The fourth proportional to 7,032.69, 9,705.08 and 3,888.87 is: 5,366.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,032.69 : 9,705.08 = 3,888.87 : x
  2. Step 2: Convert to fraction form
    7,032.69/9,705.08 = 3,888.87/x
  3. Step 3: Cross multiply
    7,032.69x = 9,705.08 × 3,888.87
  4. Step 4: Simplify right side
    7,032.69x = 37,741,775.02
  5. Step 5: Solve for x
    x = 37,741,775.02/7,032.69
  6. Step 6: Final answer
    x = 5,366.62

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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.