Home / 9,624.88-13,278.90-5,645.08

Finding the Fourth Proportional to 9,624.88, 13,278.90 and 5,645.08

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Solution

The fourth proportional to 9,624.88, 13,278.90 and 5,645.08 is: 7,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,624.88 : 13,278.90 = 5,645.08 : x
  2. Step 2: Convert to fraction form
    9,624.88/13,278.90 = 5,645.08/x
  3. Step 3: Cross multiply
    9,624.88x = 13,278.90 × 5,645.08
  4. Step 4: Simplify right side
    9,624.88x = 74,960,452.81
  5. Step 5: Solve for x
    x = 74,960,452.81/9,624.88
  6. Step 6: Final answer
    x = 7,788.20

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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.