Home / 7,848.60-10,829.75-5,199.59

Finding the Fourth Proportional to 7,848.60, 10,829.75 and 5,199.59

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Solution

The fourth proportional to 7,848.60, 10,829.75 and 5,199.59 is: 7,174.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.60 : 10,829.75 = 5,199.59 : x
  2. Step 2: Convert to fraction form
    7,848.60/10,829.75 = 5,199.59/x
  3. Step 3: Cross multiply
    7,848.60x = 10,829.75 × 5,199.59
  4. Step 4: Simplify right side
    7,848.60x = 56,310,290.13
  5. Step 5: Solve for x
    x = 56,310,290.13/7,848.60
  6. Step 6: Final answer
    x = 7,174.57

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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.