Home / 7,543.90-10,411.83-4,400.09

Finding the Fourth Proportional to 7,543.90, 10,411.83 and 4,400.09

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Solution

The fourth proportional to 7,543.90, 10,411.83 and 4,400.09 is: 6,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.90 : 10,411.83 = 4,400.09 : x
  2. Step 2: Convert to fraction form
    7,543.90/10,411.83 = 4,400.09/x
  3. Step 3: Cross multiply
    7,543.90x = 10,411.83 × 4,400.09
  4. Step 4: Simplify right side
    7,543.90x = 45,812,989.06
  5. Step 5: Solve for x
    x = 45,812,989.06/7,543.90
  6. Step 6: Final answer
    x = 6,072.85

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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.