Home / 9,260.12-13,890.24-2,686.40

Finding the Fourth Proportional to 9,260.12, 13,890.24 and 2,686.40

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Solution

The fourth proportional to 9,260.12, 13,890.24 and 2,686.40 is: 4,029.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.12 : 13,890.24 = 2,686.40 : x
  2. Step 2: Convert to fraction form
    9,260.12/13,890.24 = 2,686.40/x
  3. Step 3: Cross multiply
    9,260.12x = 13,890.24 × 2,686.40
  4. Step 4: Simplify right side
    9,260.12x = 37,314,740.74
  5. Step 5: Solve for x
    x = 37,314,740.74/9,260.12
  6. Step 6: Final answer
    x = 4,029.62

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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.