Home / 5,577.20-8,365.80-4,713.20

Finding the Fourth Proportional to 5,577.20, 8,365.80 and 4,713.20

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Solution

The fourth proportional to 5,577.20, 8,365.80 and 4,713.20 is: 7,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.20 : 8,365.80 = 4,713.20 : x
  2. Step 2: Convert to fraction form
    5,577.20/8,365.80 = 4,713.20/x
  3. Step 3: Cross multiply
    5,577.20x = 8,365.80 × 4,713.20
  4. Step 4: Simplify right side
    5,577.20x = 39,429,688.56
  5. Step 5: Solve for x
    x = 39,429,688.56/5,577.20
  6. Step 6: Final answer
    x = 7,069.80

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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.