Home / 8,460.28-11,673.30-5,103.64

Finding the Fourth Proportional to 8,460.28, 11,673.30 and 5,103.64

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Solution

The fourth proportional to 8,460.28, 11,673.30 and 5,103.64 is: 7,041.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.28 : 11,673.30 = 5,103.64 : x
  2. Step 2: Convert to fraction form
    8,460.28/11,673.30 = 5,103.64/x
  3. Step 3: Cross multiply
    8,460.28x = 11,673.30 × 5,103.64
  4. Step 4: Simplify right side
    8,460.28x = 59,576,320.81
  5. Step 5: Solve for x
    x = 59,576,320.81/8,460.28
  6. Step 6: Final answer
    x = 7,041.89

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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.