Home / 7,874.33-10,865.85-4,336.70

Finding the Fourth Proportional to 7,874.33, 10,865.85 and 4,336.70

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Solution

The fourth proportional to 7,874.33, 10,865.85 and 4,336.70 is: 5,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874.33 : 10,865.85 = 4,336.70 : x
  2. Step 2: Convert to fraction form
    7,874.33/10,865.85 = 4,336.70/x
  3. Step 3: Cross multiply
    7,874.33x = 10,865.85 × 4,336.70
  4. Step 4: Simplify right side
    7,874.33x = 47,121,931.70
  5. Step 5: Solve for x
    x = 47,121,931.70/7,874.33
  6. Step 6: Final answer
    x = 5,984.25

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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.