Home / 7,291.89-10,930.79-2,358.18

Finding the Fourth Proportional to 7,291.89, 10,930.79 and 2,358.18

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Solution

The fourth proportional to 7,291.89, 10,930.79 and 2,358.18 is: 3,534.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.89 : 10,930.79 = 2,358.18 : x
  2. Step 2: Convert to fraction form
    7,291.89/10,930.79 = 2,358.18/x
  3. Step 3: Cross multiply
    7,291.89x = 10,930.79 × 2,358.18
  4. Step 4: Simplify right side
    7,291.89x = 25,776,703.92
  5. Step 5: Solve for x
    x = 25,776,703.92/7,291.89
  6. Step 6: Final answer
    x = 3,534.98

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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.