Home / 7,543.60-10,409.32-4,185.88

Finding the Fourth Proportional to 7,543.60, 10,409.32 and 4,185.88

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Solution

The fourth proportional to 7,543.60, 10,409.32 and 4,185.88 is: 5,776.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.60 : 10,409.32 = 4,185.88 : x
  2. Step 2: Convert to fraction form
    7,543.60/10,409.32 = 4,185.88/x
  3. Step 3: Cross multiply
    7,543.60x = 10,409.32 × 4,185.88
  4. Step 4: Simplify right side
    7,543.60x = 43,572,164.40
  5. Step 5: Solve for x
    x = 43,572,164.40/7,543.60
  6. Step 6: Final answer
    x = 5,776.04

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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.