Home / 7,848.80-10,827.36-5,327.84

Finding the Fourth Proportional to 7,848.80, 10,827.36 and 5,327.84

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Solution

The fourth proportional to 7,848.80, 10,827.36 and 5,327.84 is: 7,349.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.80 : 10,827.36 = 5,327.84 : x
  2. Step 2: Convert to fraction form
    7,848.80/10,827.36 = 5,327.84/x
  3. Step 3: Cross multiply
    7,848.80x = 10,827.36 × 5,327.84
  4. Step 4: Simplify right side
    7,848.80x = 57,686,441.70
  5. Step 5: Solve for x
    x = 57,686,441.70/7,848.80
  6. Step 6: Final answer
    x = 7,349.71

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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.