Home / 7,605.43-10,491.56-4,812.55

Finding the Fourth Proportional to 7,605.43, 10,491.56 and 4,812.55

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Solution

The fourth proportional to 7,605.43, 10,491.56 and 4,812.55 is: 6,638.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.43 : 10,491.56 = 4,812.55 : x
  2. Step 2: Convert to fraction form
    7,605.43/10,491.56 = 4,812.55/x
  3. Step 3: Cross multiply
    7,605.43x = 10,491.56 × 4,812.55
  4. Step 4: Simplify right side
    7,605.43x = 50,491,124.83
  5. Step 5: Solve for x
    x = 50,491,124.83/7,605.43
  6. Step 6: Final answer
    x = 6,638.83

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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.