Home / 6,543.38-9,029.93-3,559.21

Finding the Fourth Proportional to 6,543.38, 9,029.93 and 3,559.21

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Solution

The fourth proportional to 6,543.38, 9,029.93 and 3,559.21 is: 4,911.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.38 : 9,029.93 = 3,559.21 : x
  2. Step 2: Convert to fraction form
    6,543.38/9,029.93 = 3,559.21/x
  3. Step 3: Cross multiply
    6,543.38x = 9,029.93 × 3,559.21
  4. Step 4: Simplify right side
    6,543.38x = 32,139,376.78
  5. Step 5: Solve for x
    x = 32,139,376.78/6,543.38
  6. Step 6: Final answer
    x = 4,911.74

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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.