Home / 9,438.20-13,027.02-5,713.40

Finding the Fourth Proportional to 9,438.20, 13,027.02 and 5,713.40

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Solution

The fourth proportional to 9,438.20, 13,027.02 and 5,713.40 is: 7,885.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.20 : 13,027.02 = 5,713.40 : x
  2. Step 2: Convert to fraction form
    9,438.20/13,027.02 = 5,713.40/x
  3. Step 3: Cross multiply
    9,438.20x = 13,027.02 × 5,713.40
  4. Step 4: Simplify right side
    9,438.20x = 74,428,576.07
  5. Step 5: Solve for x
    x = 74,428,576.07/9,438.20
  6. Step 6: Final answer
    x = 7,885.89

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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.