Home / 9,132.43-12,602.78-4,940.68

Finding the Fourth Proportional to 9,132.43, 12,602.78 and 4,940.68

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Solution

The fourth proportional to 9,132.43, 12,602.78 and 4,940.68 is: 6,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.43 : 12,602.78 = 4,940.68 : x
  2. Step 2: Convert to fraction form
    9,132.43/12,602.78 = 4,940.68/x
  3. Step 3: Cross multiply
    9,132.43x = 12,602.78 × 4,940.68
  4. Step 4: Simplify right side
    9,132.43x = 62,266,303.09
  5. Step 5: Solve for x
    x = 62,266,303.09/9,132.43
  6. Step 6: Final answer
    x = 6,818.15

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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.