Home / 7,740.27-10,681.62-4,203.48

Finding the Fourth Proportional to 7,740.27, 10,681.62 and 4,203.48

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Solution

The fourth proportional to 7,740.27, 10,681.62 and 4,203.48 is: 5,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.27 : 10,681.62 = 4,203.48 : x
  2. Step 2: Convert to fraction form
    7,740.27/10,681.62 = 4,203.48/x
  3. Step 3: Cross multiply
    7,740.27x = 10,681.62 × 4,203.48
  4. Step 4: Simplify right side
    7,740.27x = 44,900,002.74
  5. Step 5: Solve for x
    x = 44,900,002.74/7,740.27
  6. Step 6: Final answer
    x = 5,800.83

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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.