Home / 6,721.36-9,265.20-4,726.48

Finding the Fourth Proportional to 6,721.36, 9,265.20 and 4,726.48

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Solution

The fourth proportional to 6,721.36, 9,265.20 and 4,726.48 is: 6,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.36 : 9,265.20 = 4,726.48 : x
  2. Step 2: Convert to fraction form
    6,721.36/9,265.20 = 4,726.48/x
  3. Step 3: Cross multiply
    6,721.36x = 9,265.20 × 4,726.48
  4. Step 4: Simplify right side
    6,721.36x = 43,791,782.50
  5. Step 5: Solve for x
    x = 43,791,782.50/6,721.36
  6. Step 6: Final answer
    x = 6,515.32

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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.