Home / 7,740.21-10,681.61-4,382.93

Finding the Fourth Proportional to 7,740.21, 10,681.61 and 4,382.93

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Solution

The fourth proportional to 7,740.21, 10,681.61 and 4,382.93 is: 6,048.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.21 : 10,681.61 = 4,382.93 : x
  2. Step 2: Convert to fraction form
    7,740.21/10,681.61 = 4,382.93/x
  3. Step 3: Cross multiply
    7,740.21x = 10,681.61 × 4,382.93
  4. Step 4: Simplify right side
    7,740.21x = 46,816,748.92
  5. Step 5: Solve for x
    x = 46,816,748.92/7,740.21
  6. Step 6: Final answer
    x = 6,048.51

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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.