Home / 4,821.70-7,246.95-4,188.10

Finding the Fourth Proportional to 4,821.70, 7,246.95 and 4,188.10

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Solution

The fourth proportional to 4,821.70, 7,246.95 and 4,188.10 is: 6,294.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.70 : 7,246.95 = 4,188.10 : x
  2. Step 2: Convert to fraction form
    4,821.70/7,246.95 = 4,188.10/x
  3. Step 3: Cross multiply
    4,821.70x = 7,246.95 × 4,188.10
  4. Step 4: Simplify right side
    4,821.70x = 30,350,951.30
  5. Step 5: Solve for x
    x = 30,350,951.30/4,821.70
  6. Step 6: Final answer
    x = 6,294.66

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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.