Home / 5,543.07-7,649.31-3,185.16

Finding the Fourth Proportional to 5,543.07, 7,649.31 and 3,185.16

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Solution

The fourth proportional to 5,543.07, 7,649.31 and 3,185.16 is: 4,395.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.07 : 7,649.31 = 3,185.16 : x
  2. Step 2: Convert to fraction form
    5,543.07/7,649.31 = 3,185.16/x
  3. Step 3: Cross multiply
    5,543.07x = 7,649.31 × 3,185.16
  4. Step 4: Simplify right side
    5,543.07x = 24,364,276.24
  5. Step 5: Solve for x
    x = 24,364,276.24/5,543.07
  6. Step 6: Final answer
    x = 4,395.45

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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.