Home / 4,931.64-6,805.20-2,941.80

Finding the Fourth Proportional to 4,931.64, 6,805.20 and 2,941.80

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Solution

The fourth proportional to 4,931.64, 6,805.20 and 2,941.80 is: 4,059.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.64 : 6,805.20 = 2,941.80 : x
  2. Step 2: Convert to fraction form
    4,931.64/6,805.20 = 2,941.80/x
  3. Step 3: Cross multiply
    4,931.64x = 6,805.20 × 2,941.80
  4. Step 4: Simplify right side
    4,931.64x = 20,019,537.36
  5. Step 5: Solve for x
    x = 20,019,537.36/4,931.64
  6. Step 6: Final answer
    x = 4,059.41

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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.