Home / 5,570.48-8,355.72-2,647.19

Finding the Fourth Proportional to 5,570.48, 8,355.72 and 2,647.19

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Solution

The fourth proportional to 5,570.48, 8,355.72 and 2,647.19 is: 3,970.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.48 : 8,355.72 = 2,647.19 : x
  2. Step 2: Convert to fraction form
    5,570.48/8,355.72 = 2,647.19/x
  3. Step 3: Cross multiply
    5,570.48x = 8,355.72 × 2,647.19
  4. Step 4: Simplify right side
    5,570.48x = 22,119,178.43
  5. Step 5: Solve for x
    x = 22,119,178.43/5,570.48
  6. Step 6: Final answer
    x = 3,970.79

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Similar ratio
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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.