Home / 7,726.41-10,656.09-4,740.15

Finding the Fourth Proportional to 7,726.41, 10,656.09 and 4,740.15

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Solution

The fourth proportional to 7,726.41, 10,656.09 and 4,740.15 is: 6,537.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.41 : 10,656.09 = 4,740.15 : x
  2. Step 2: Convert to fraction form
    7,726.41/10,656.09 = 4,740.15/x
  3. Step 3: Cross multiply
    7,726.41x = 10,656.09 × 4,740.15
  4. Step 4: Simplify right side
    7,726.41x = 50,511,465.01
  5. Step 5: Solve for x
    x = 50,511,465.01/7,726.41
  6. Step 6: Final answer
    x = 6,537.51

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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.