Home / 6,405.45-8,839.23-4,726.25

Finding the Fourth Proportional to 6,405.45, 8,839.23 and 4,726.25

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Solution

The fourth proportional to 6,405.45, 8,839.23 and 4,726.25 is: 6,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.45 : 8,839.23 = 4,726.25 : x
  2. Step 2: Convert to fraction form
    6,405.45/8,839.23 = 4,726.25/x
  3. Step 3: Cross multiply
    6,405.45x = 8,839.23 × 4,726.25
  4. Step 4: Simplify right side
    6,405.45x = 41,776,410.79
  5. Step 5: Solve for x
    x = 41,776,410.79/6,405.45
  6. Step 6: Final answer
    x = 6,522.01

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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.