Home / 5,030.85-6,942.72-2,762.30

Finding the Fourth Proportional to 5,030.85, 6,942.72 and 2,762.30

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Solution

The fourth proportional to 5,030.85, 6,942.72 and 2,762.30 is: 3,812.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.85 : 6,942.72 = 2,762.30 : x
  2. Step 2: Convert to fraction form
    5,030.85/6,942.72 = 2,762.30/x
  3. Step 3: Cross multiply
    5,030.85x = 6,942.72 × 2,762.30
  4. Step 4: Simplify right side
    5,030.85x = 19,177,903.17
  5. Step 5: Solve for x
    x = 19,177,903.17/5,030.85
  6. Step 6: Final answer
    x = 3,812.06

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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.