Home / 4,729.95-7,086.48-2,880.11

Finding the Fourth Proportional to 4,729.95, 7,086.48 and 2,880.11

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Solution

The fourth proportional to 4,729.95, 7,086.48 and 2,880.11 is: 4,315.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,729.95 : 7,086.48 = 2,880.11 : x
  2. Step 2: Convert to fraction form
    4,729.95/7,086.48 = 2,880.11/x
  3. Step 3: Cross multiply
    4,729.95x = 7,086.48 × 2,880.11
  4. Step 4: Simplify right side
    4,729.95x = 20,409,841.91
  5. Step 5: Solve for x
    x = 20,409,841.91/4,729.95
  6. Step 6: Final answer
    x = 4,315.02

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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.