Home / 7,543.04-10,409.01-4,185.81

Finding the Fourth Proportional to 7,543.04, 10,409.01 and 4,185.81

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Solution

The fourth proportional to 7,543.04, 10,409.01 and 4,185.81 is: 5,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.04 : 10,409.01 = 4,185.81 : x
  2. Step 2: Convert to fraction form
    7,543.04/10,409.01 = 4,185.81/x
  3. Step 3: Cross multiply
    7,543.04x = 10,409.01 × 4,185.81
  4. Step 4: Simplify right side
    7,543.04x = 43,570,138.15
  5. Step 5: Solve for x
    x = 43,570,138.15/7,543.04
  6. Step 6: Final answer
    x = 5,776.21

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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.