Home / 7,726.20-10,634.40-6,603.36

Finding the Fourth Proportional to 7,726.20, 10,634.40 and 6,603.36

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Solution

The fourth proportional to 7,726.20, 10,634.40 and 6,603.36 is: 9,088.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.20 : 10,634.40 = 6,603.36 : x
  2. Step 2: Convert to fraction form
    7,726.20/10,634.40 = 6,603.36/x
  3. Step 3: Cross multiply
    7,726.20x = 10,634.40 × 6,603.36
  4. Step 4: Simplify right side
    7,726.20x = 70,222,771.58
  5. Step 5: Solve for x
    x = 70,222,771.58/7,726.20
  6. Step 6: Final answer
    x = 9,088.91

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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.