Home / 4,931.75-6,805.85-2,835.89

Finding the Fourth Proportional to 4,931.75, 6,805.85 and 2,835.89

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Solution

The fourth proportional to 4,931.75, 6,805.85 and 2,835.89 is: 3,913.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.75 : 6,805.85 = 2,835.89 : x
  2. Step 2: Convert to fraction form
    4,931.75/6,805.85 = 2,835.89/x
  3. Step 3: Cross multiply
    4,931.75x = 6,805.85 × 2,835.89
  4. Step 4: Simplify right side
    4,931.75x = 19,300,641.96
  5. Step 5: Solve for x
    x = 19,300,641.96/4,931.75
  6. Step 6: Final answer
    x = 3,913.55

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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.