Home / 7,359.16-11,038.78-2,429.18

Finding the Fourth Proportional to 7,359.16, 11,038.78 and 2,429.18

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Solution

The fourth proportional to 7,359.16, 11,038.78 and 2,429.18 is: 3,643.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.16 : 11,038.78 = 2,429.18 : x
  2. Step 2: Convert to fraction form
    7,359.16/11,038.78 = 2,429.18/x
  3. Step 3: Cross multiply
    7,359.16x = 11,038.78 × 2,429.18
  4. Step 4: Simplify right side
    7,359.16x = 26,815,183.60
  5. Step 5: Solve for x
    x = 26,815,183.60/7,359.16
  6. Step 6: Final answer
    x = 3,643.78

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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.