Home / 4,805.55-7,190.06-2,931.95

Finding the Fourth Proportional to 4,805.55, 7,190.06 and 2,931.95

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Solution

The fourth proportional to 4,805.55, 7,190.06 and 2,931.95 is: 4,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.55 : 7,190.06 = 2,931.95 : x
  2. Step 2: Convert to fraction form
    4,805.55/7,190.06 = 2,931.95/x
  3. Step 3: Cross multiply
    4,805.55x = 7,190.06 × 2,931.95
  4. Step 4: Simplify right side
    4,805.55x = 21,080,878.36
  5. Step 5: Solve for x
    x = 21,080,878.36/4,805.55
  6. Step 6: Final answer
    x = 4,386.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.