Home / 6,945.61-9,573.47-5,176.57

Finding the Fourth Proportional to 6,945.61, 9,573.47 and 5,176.57

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Solution

The fourth proportional to 6,945.61, 9,573.47 and 5,176.57 is: 7,135.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.61 : 9,573.47 = 5,176.57 : x
  2. Step 2: Convert to fraction form
    6,945.61/9,573.47 = 5,176.57/x
  3. Step 3: Cross multiply
    6,945.61x = 9,573.47 × 5,176.57
  4. Step 4: Simplify right side
    6,945.61x = 49,557,707.19
  5. Step 5: Solve for x
    x = 49,557,707.19/6,945.61
  6. Step 6: Final answer
    x = 7,135.11

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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.