Home / 7,200.04-9,935.46-4,057

Finding the Fourth Proportional to 7,200.04, 9,935.46 and 4,057

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Solution

The fourth proportional to 7,200.04, 9,935.46 and 4,057 is: 5,598.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.04 : 9,935.46 = 4,057 : x
  2. Step 2: Convert to fraction form
    7,200.04/9,935.46 = 4,057/x
  3. Step 3: Cross multiply
    7,200.04x = 9,935.46 × 4,057
  4. Step 4: Simplify right side
    7,200.04x = 40,308,161.22
  5. Step 5: Solve for x
    x = 40,308,161.22/7,200.04
  6. Step 6: Final answer
    x = 5,598.32

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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.