Home / 4,213.16-5,814.55-2,420.89

Finding the Fourth Proportional to 4,213.16, 5,814.55 and 2,420.89

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Solution

The fourth proportional to 4,213.16, 5,814.55 and 2,420.89 is: 3,341.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.16 : 5,814.55 = 2,420.89 : x
  2. Step 2: Convert to fraction form
    4,213.16/5,814.55 = 2,420.89/x
  3. Step 3: Cross multiply
    4,213.16x = 5,814.55 × 2,420.89
  4. Step 4: Simplify right side
    4,213.16x = 14,076,385.95
  5. Step 5: Solve for x
    x = 14,076,385.95/4,213.16
  6. Step 6: Final answer
    x = 3,341.05

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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.