Home / 8,038.28-11,090.89-4,679.03

Finding the Fourth Proportional to 8,038.28, 11,090.89 and 4,679.03

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Solution

The fourth proportional to 8,038.28, 11,090.89 and 4,679.03 is: 6,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038.28 : 11,090.89 = 4,679.03 : x
  2. Step 2: Convert to fraction form
    8,038.28/11,090.89 = 4,679.03/x
  3. Step 3: Cross multiply
    8,038.28x = 11,090.89 × 4,679.03
  4. Step 4: Simplify right side
    8,038.28x = 51,894,607.04
  5. Step 5: Solve for x
    x = 51,894,607.04/8,038.28
  6. Step 6: Final answer
    x = 6,455.93

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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.