Home / 7,384.04-10,187.88-4,550.48

Finding the Fourth Proportional to 7,384.04, 10,187.88 and 4,550.48

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Solution

The fourth proportional to 7,384.04, 10,187.88 and 4,550.48 is: 6,278.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.04 : 10,187.88 = 4,550.48 : x
  2. Step 2: Convert to fraction form
    7,384.04/10,187.88 = 4,550.48/x
  3. Step 3: Cross multiply
    7,384.04x = 10,187.88 × 4,550.48
  4. Step 4: Simplify right side
    7,384.04x = 46,359,744.18
  5. Step 5: Solve for x
    x = 46,359,744.18/7,384.04
  6. Step 6: Final answer
    x = 6,278.37

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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.