Home / 6,454.23-8,913.09-5,561.66

Finding the Fourth Proportional to 6,454.23, 8,913.09 and 5,561.66

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Solution

The fourth proportional to 6,454.23, 8,913.09 and 5,561.66 is: 7,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.23 : 8,913.09 = 5,561.66 : x
  2. Step 2: Convert to fraction form
    6,454.23/8,913.09 = 5,561.66/x
  3. Step 3: Cross multiply
    6,454.23x = 8,913.09 × 5,561.66
  4. Step 4: Simplify right side
    6,454.23x = 49,571,587.98
  5. Step 5: Solve for x
    x = 49,571,587.98/6,454.23
  6. Step 6: Final answer
    x = 7,680.48

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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.