Home / 7,643.04-11,441.86-4,169.76

Finding the Fourth Proportional to 7,643.04, 11,441.86 and 4,169.76

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Solution

The fourth proportional to 7,643.04, 11,441.86 and 4,169.76 is: 6,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.04 : 11,441.86 = 4,169.76 : x
  2. Step 2: Convert to fraction form
    7,643.04/11,441.86 = 4,169.76/x
  3. Step 3: Cross multiply
    7,643.04x = 11,441.86 × 4,169.76
  4. Step 4: Simplify right side
    7,643.04x = 47,709,810.15
  5. Step 5: Solve for x
    x = 47,709,810.15/7,643.04
  6. Step 6: Final answer
    x = 6,242.26

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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.