Home / 7,854.28-10,848.50-5,873.64

Finding the Fourth Proportional to 7,854.28, 10,848.50 and 5,873.64

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Solution

The fourth proportional to 7,854.28, 10,848.50 and 5,873.64 is: 8,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.28 : 10,848.50 = 5,873.64 : x
  2. Step 2: Convert to fraction form
    7,854.28/10,848.50 = 5,873.64/x
  3. Step 3: Cross multiply
    7,854.28x = 10,848.50 × 5,873.64
  4. Step 4: Simplify right side
    7,854.28x = 63,720,183.54
  5. Step 5: Solve for x
    x = 63,720,183.54/7,854.28
  6. Step 6: Final answer
    x = 8,112.80

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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.