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Finding the Fourth Proportional to 7,625.84, 10,525.01 and 4,440.74

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Solution

The fourth proportional to 7,625.84, 10,525.01 and 4,440.74 is: 6,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.84 : 10,525.01 = 4,440.74 : x
  2. Step 2: Convert to fraction form
    7,625.84/10,525.01 = 4,440.74/x
  3. Step 3: Cross multiply
    7,625.84x = 10,525.01 × 4,440.74
  4. Step 4: Simplify right side
    7,625.84x = 46,738,832.91
  5. Step 5: Solve for x
    x = 46,738,832.91/7,625.84
  6. Step 6: Final answer
    x = 6,129.01

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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.