Home / 7,348.46-10,140.35-4,162.07

Finding the Fourth Proportional to 7,348.46, 10,140.35 and 4,162.07

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Solution

The fourth proportional to 7,348.46, 10,140.35 and 4,162.07 is: 5,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.46 : 10,140.35 = 4,162.07 : x
  2. Step 2: Convert to fraction form
    7,348.46/10,140.35 = 4,162.07/x
  3. Step 3: Cross multiply
    7,348.46x = 10,140.35 × 4,162.07
  4. Step 4: Simplify right side
    7,348.46x = 42,204,851.07
  5. Step 5: Solve for x
    x = 42,204,851.07/7,348.46
  6. Step 6: Final answer
    x = 5,743.36

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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.