Home / 7,275.70-10,914.36-3,117.16

Finding the Fourth Proportional to 7,275.70, 10,914.36 and 3,117.16

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Solution

The fourth proportional to 7,275.70, 10,914.36 and 3,117.16 is: 4,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.70 : 10,914.36 = 3,117.16 : x
  2. Step 2: Convert to fraction form
    7,275.70/10,914.36 = 3,117.16/x
  3. Step 3: Cross multiply
    7,275.70x = 10,914.36 × 3,117.16
  4. Step 4: Simplify right side
    7,275.70x = 34,021,806.42
  5. Step 5: Solve for x
    x = 34,021,806.42/7,275.70
  6. Step 6: Final answer
    x = 4,676.09

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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.