Home / 5,509.04-8,261.20-1,809.22

Finding the Fourth Proportional to 5,509.04, 8,261.20 and 1,809.22

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Solution

The fourth proportional to 5,509.04, 8,261.20 and 1,809.22 is: 2,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.04 : 8,261.20 = 1,809.22 : x
  2. Step 2: Convert to fraction form
    5,509.04/8,261.20 = 1,809.22/x
  3. Step 3: Cross multiply
    5,509.04x = 8,261.20 × 1,809.22
  4. Step 4: Simplify right side
    5,509.04x = 14,946,328.26
  5. Step 5: Solve for x
    x = 14,946,328.26/5,509.04
  6. Step 6: Final answer
    x = 2,713.05

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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.