Home / 6,441.19-8,888.74-3,608.76

Finding the Fourth Proportional to 6,441.19, 8,888.74 and 3,608.76

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Solution

The fourth proportional to 6,441.19, 8,888.74 and 3,608.76 is: 4,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.19 : 8,888.74 = 3,608.76 : x
  2. Step 2: Convert to fraction form
    6,441.19/8,888.74 = 3,608.76/x
  3. Step 3: Cross multiply
    6,441.19x = 8,888.74 × 3,608.76
  4. Step 4: Simplify right side
    6,441.19x = 32,077,329.36
  5. Step 5: Solve for x
    x = 32,077,329.36/6,441.19
  6. Step 6: Final answer
    x = 4,980.03

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Half scale
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Double scale
Find fourth proportional to 6,442.19, 8,890.12 and 3,609.76
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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.