Home / 4,730.40-7,089.66-2,777.76

Finding the Fourth Proportional to 4,730.40, 7,089.66 and 2,777.76

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Solution

The fourth proportional to 4,730.40, 7,089.66 and 2,777.76 is: 4,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,730.40 : 7,089.66 = 2,777.76 : x
  2. Step 2: Convert to fraction form
    4,730.40/7,089.66 = 2,777.76/x
  3. Step 3: Cross multiply
    4,730.40x = 7,089.66 × 2,777.76
  4. Step 4: Simplify right side
    4,730.40x = 19,693,373.96
  5. Step 5: Solve for x
    x = 19,693,373.96/4,730.40
  6. Step 6: Final answer
    x = 4,163.15

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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.