Home / 5,030.28-6,942.09-3,455.64

Finding the Fourth Proportional to 5,030.28, 6,942.09 and 3,455.64

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Solution

The fourth proportional to 5,030.28, 6,942.09 and 3,455.64 is: 4,768.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.28 : 6,942.09 = 3,455.64 : x
  2. Step 2: Convert to fraction form
    5,030.28/6,942.09 = 3,455.64/x
  3. Step 3: Cross multiply
    5,030.28x = 6,942.09 × 3,455.64
  4. Step 4: Simplify right side
    5,030.28x = 23,989,363.89
  5. Step 5: Solve for x
    x = 23,989,363.89/5,030.28
  6. Step 6: Final answer
    x = 4,768.99

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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.