Home / 9,624.79-13,281.33-5,645.17

Finding the Fourth Proportional to 9,624.79, 13,281.33 and 5,645.17

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Solution

The fourth proportional to 9,624.79, 13,281.33 and 5,645.17 is: 7,789.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,624.79 : 13,281.33 = 5,645.17 : x
  2. Step 2: Convert to fraction form
    9,624.79/13,281.33 = 5,645.17/x
  3. Step 3: Cross multiply
    9,624.79x = 13,281.33 × 5,645.17
  4. Step 4: Simplify right side
    9,624.79x = 74,975,365.68
  5. Step 5: Solve for x
    x = 74,975,365.68/9,624.79
  6. Step 6: Final answer
    x = 7,789.82

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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.