Home / 5,543.37-8,324.96-5,320.40

Finding the Fourth Proportional to 5,543.37, 8,324.96 and 5,320.40

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Solution

The fourth proportional to 5,543.37, 8,324.96 and 5,320.40 is: 7,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.37 : 8,324.96 = 5,320.40 : x
  2. Step 2: Convert to fraction form
    5,543.37/8,324.96 = 5,320.40/x
  3. Step 3: Cross multiply
    5,543.37x = 8,324.96 × 5,320.40
  4. Step 4: Simplify right side
    5,543.37x = 44,292,125.71
  5. Step 5: Solve for x
    x = 44,292,125.71/5,543.37
  6. Step 6: Final answer
    x = 7,990.11

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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.