Home / 4,230.19-6,345.70-1,456.49

Finding the Fourth Proportional to 4,230.19, 6,345.70 and 1,456.49

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Solution

The fourth proportional to 4,230.19, 6,345.70 and 1,456.49 is: 2,184.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.19 : 6,345.70 = 1,456.49 : x
  2. Step 2: Convert to fraction form
    4,230.19/6,345.70 = 1,456.49/x
  3. Step 3: Cross multiply
    4,230.19x = 6,345.70 × 1,456.49
  4. Step 4: Simplify right side
    4,230.19x = 9,242,441.31
  5. Step 5: Solve for x
    x = 9,242,441.31/4,230.19
  6. Step 6: Final answer
    x = 2,184.88

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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.