Home / 7,308.11-10,946.43-4,955.21

Finding the Fourth Proportional to 7,308.11, 10,946.43 and 4,955.21

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Solution

The fourth proportional to 7,308.11, 10,946.43 and 4,955.21 is: 7,422.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.11 : 10,946.43 = 4,955.21 : x
  2. Step 2: Convert to fraction form
    7,308.11/10,946.43 = 4,955.21/x
  3. Step 3: Cross multiply
    7,308.11x = 10,946.43 × 4,955.21
  4. Step 4: Simplify right side
    7,308.11x = 54,241,804.67
  5. Step 5: Solve for x
    x = 54,241,804.67/7,308.11
  6. Step 6: Final answer
    x = 7,422.14

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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.