Home / 7,623.48-11,435.08-2,429.28

Finding the Fourth Proportional to 7,623.48, 11,435.08 and 2,429.28

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Solution

The fourth proportional to 7,623.48, 11,435.08 and 2,429.28 is: 3,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.48 : 11,435.08 = 2,429.28 : x
  2. Step 2: Convert to fraction form
    7,623.48/11,435.08 = 2,429.28/x
  3. Step 3: Cross multiply
    7,623.48x = 11,435.08 × 2,429.28
  4. Step 4: Simplify right side
    7,623.48x = 27,779,011.14
  5. Step 5: Solve for x
    x = 27,779,011.14/7,623.48
  6. Step 6: Final answer
    x = 3,643.88

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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.