Home / 5,289.28-7,299.98-3,050.72

Finding the Fourth Proportional to 5,289.28, 7,299.98 and 3,050.72

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Solution

The fourth proportional to 5,289.28, 7,299.98 and 3,050.72 is: 4,210.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.28 : 7,299.98 = 3,050.72 : x
  2. Step 2: Convert to fraction form
    5,289.28/7,299.98 = 3,050.72/x
  3. Step 3: Cross multiply
    5,289.28x = 7,299.98 × 3,050.72
  4. Step 4: Simplify right side
    5,289.28x = 22,270,166.11
  5. Step 5: Solve for x
    x = 22,270,166.11/5,289.28
  6. Step 6: Final answer
    x = 4,210.44

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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.