Home / 4,782.04-7,172.22-2,184.36

Finding the Fourth Proportional to 4,782.04, 7,172.22 and 2,184.36

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Solution

The fourth proportional to 4,782.04, 7,172.22 and 2,184.36 is: 3,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.04 : 7,172.22 = 2,184.36 : x
  2. Step 2: Convert to fraction form
    4,782.04/7,172.22 = 2,184.36/x
  3. Step 3: Cross multiply
    4,782.04x = 7,172.22 × 2,184.36
  4. Step 4: Simplify right side
    4,782.04x = 15,666,710.48
  5. Step 5: Solve for x
    x = 15,666,710.48/4,782.04
  6. Step 6: Final answer
    x = 3,276.16

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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.