Home / 7,740.06-10,681.80-4,382.85

Finding the Fourth Proportional to 7,740.06, 10,681.80 and 4,382.85

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Solution

The fourth proportional to 7,740.06, 10,681.80 and 4,382.85 is: 6,048.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.06 : 10,681.80 = 4,382.85 : x
  2. Step 2: Convert to fraction form
    7,740.06/10,681.80 = 4,382.85/x
  3. Step 3: Cross multiply
    7,740.06x = 10,681.80 × 4,382.85
  4. Step 4: Simplify right side
    7,740.06x = 46,816,727.13
  5. Step 5: Solve for x
    x = 46,816,727.13/7,740.06
  6. Step 6: Final answer
    x = 6,048.63

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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.