Home / 5,636.75-7,779.08-3,152.75

Finding the Fourth Proportional to 5,636.75, 7,779.08 and 3,152.75

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Solution

The fourth proportional to 5,636.75, 7,779.08 and 3,152.75 is: 4,351.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.75 : 7,779.08 = 3,152.75 : x
  2. Step 2: Convert to fraction form
    5,636.75/7,779.08 = 3,152.75/x
  3. Step 3: Cross multiply
    5,636.75x = 7,779.08 × 3,152.75
  4. Step 4: Simplify right side
    5,636.75x = 24,525,478.71
  5. Step 5: Solve for x
    x = 24,525,478.71/5,636.75
  6. Step 6: Final answer
    x = 4,351.00

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Half scale
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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.