Home / 7,905.90-11,859.06-3,744.93

Finding the Fourth Proportional to 7,905.90, 11,859.06 and 3,744.93

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Solution

The fourth proportional to 7,905.90, 11,859.06 and 3,744.93 is: 5,617.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.90 : 11,859.06 = 3,744.93 : x
  2. Step 2: Convert to fraction form
    7,905.90/11,859.06 = 3,744.93/x
  3. Step 3: Cross multiply
    7,905.90x = 11,859.06 × 3,744.93
  4. Step 4: Simplify right side
    7,905.90x = 44,411,330.84
  5. Step 5: Solve for x
    x = 44,411,330.84/7,905.90
  6. Step 6: Final answer
    x = 5,617.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.