Home / 4,820.70-7,223.85-4,086.30

Finding the Fourth Proportional to 4,820.70, 7,223.85 and 4,086.30

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Solution

The fourth proportional to 4,820.70, 7,223.85 and 4,086.30 is: 6,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.70 : 7,223.85 = 4,086.30 : x
  2. Step 2: Convert to fraction form
    4,820.70/7,223.85 = 4,086.30/x
  3. Step 3: Cross multiply
    4,820.70x = 7,223.85 × 4,086.30
  4. Step 4: Simplify right side
    4,820.70x = 29,518,818.26
  5. Step 5: Solve for x
    x = 29,518,818.26/4,820.70
  6. Step 6: Final answer
    x = 6,123.35

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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.