Home / 4,842.30-7,263.45-4,208.70

Finding the Fourth Proportional to 4,842.30, 7,263.45 and 4,208.70

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Solution

The fourth proportional to 4,842.30, 7,263.45 and 4,208.70 is: 6,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.30 : 7,263.45 = 4,208.70 : x
  2. Step 2: Convert to fraction form
    4,842.30/7,263.45 = 4,208.70/x
  3. Step 3: Cross multiply
    4,842.30x = 7,263.45 × 4,208.70
  4. Step 4: Simplify right side
    4,842.30x = 30,569,682.02
  5. Step 5: Solve for x
    x = 30,569,682.02/4,842.30
  6. Step 6: Final answer
    x = 6,313.05

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Similar ratio
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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.