Home / 9,864.48-13,608.51-5,828.56

Finding the Fourth Proportional to 9,864.48, 13,608.51 and 5,828.56

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Solution

The fourth proportional to 9,864.48, 13,608.51 and 5,828.56 is: 8,040.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.48 : 13,608.51 = 5,828.56 : x
  2. Step 2: Convert to fraction form
    9,864.48/13,608.51 = 5,828.56/x
  3. Step 3: Cross multiply
    9,864.48x = 13,608.51 × 5,828.56
  4. Step 4: Simplify right side
    9,864.48x = 79,317,961.17
  5. Step 5: Solve for x
    x = 79,317,961.17/9,864.48
  6. Step 6: Final answer
    x = 8,040.76

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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.