Home / 4,729.12-7,095.12-2,777.20

Finding the Fourth Proportional to 4,729.12, 7,095.12 and 2,777.20

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Solution

The fourth proportional to 4,729.12, 7,095.12 and 2,777.20 is: 4,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,729.12 : 7,095.12 = 2,777.20 : x
  2. Step 2: Convert to fraction form
    4,729.12/7,095.12 = 2,777.20/x
  3. Step 3: Cross multiply
    4,729.12x = 7,095.12 × 2,777.20
  4. Step 4: Simplify right side
    4,729.12x = 19,704,567.26
  5. Step 5: Solve for x
    x = 19,704,567.26/4,729.12
  6. Step 6: Final answer
    x = 4,166.65

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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.