Home / 4,235.50-6,354.12-1,313.68

Finding the Fourth Proportional to 4,235.50, 6,354.12 and 1,313.68

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Solution

The fourth proportional to 4,235.50, 6,354.12 and 1,313.68 is: 1,970.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,235.50 : 6,354.12 = 1,313.68 : x
  2. Step 2: Convert to fraction form
    4,235.50/6,354.12 = 1,313.68/x
  3. Step 3: Cross multiply
    4,235.50x = 6,354.12 × 1,313.68
  4. Step 4: Simplify right side
    4,235.50x = 8,347,280.36
  5. Step 5: Solve for x
    x = 8,347,280.36/4,235.50
  6. Step 6: Final answer
    x = 1,970.79

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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.