Home / 6,239.84-8,610.40-3,587.08

Finding the Fourth Proportional to 6,239.84, 8,610.40 and 3,587.08

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Solution

The fourth proportional to 6,239.84, 8,610.40 and 3,587.08 is: 4,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.84 : 8,610.40 = 3,587.08 : x
  2. Step 2: Convert to fraction form
    6,239.84/8,610.40 = 3,587.08/x
  3. Step 3: Cross multiply
    6,239.84x = 8,610.40 × 3,587.08
  4. Step 4: Simplify right side
    6,239.84x = 30,886,193.63
  5. Step 5: Solve for x
    x = 30,886,193.63/6,239.84
  6. Step 6: Final answer
    x = 4,949.84

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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.