Home / 6,219.13-8,582.40-3,424.63

Finding the Fourth Proportional to 6,219.13, 8,582.40 and 3,424.63

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Solution

The fourth proportional to 6,219.13, 8,582.40 and 3,424.63 is: 4,725.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.13 : 8,582.40 = 3,424.63 : x
  2. Step 2: Convert to fraction form
    6,219.13/8,582.40 = 3,424.63/x
  3. Step 3: Cross multiply
    6,219.13x = 8,582.40 × 3,424.63
  4. Step 4: Simplify right side
    6,219.13x = 29,391,544.51
  5. Step 5: Solve for x
    x = 29,391,544.51/6,219.13
  6. Step 6: Final answer
    x = 4,725.99

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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.