Home / 7,865.07-10,853.97-4,508.19

Finding the Fourth Proportional to 7,865.07, 10,853.97 and 4,508.19

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Solution

The fourth proportional to 7,865.07, 10,853.97 and 4,508.19 is: 6,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.07 : 10,853.97 = 4,508.19 : x
  2. Step 2: Convert to fraction form
    7,865.07/10,853.97 = 4,508.19/x
  3. Step 3: Cross multiply
    7,865.07x = 10,853.97 × 4,508.19
  4. Step 4: Simplify right side
    7,865.07x = 48,931,759.01
  5. Step 5: Solve for x
    x = 48,931,759.01/7,865.07
  6. Step 6: Final answer
    x = 6,221.40

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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.