Home / 8,281.21-11,434.59-5,302.11

Finding the Fourth Proportional to 8,281.21, 11,434.59 and 5,302.11

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Solution

The fourth proportional to 8,281.21, 11,434.59 and 5,302.11 is: 7,321.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.21 : 11,434.59 = 5,302.11 : x
  2. Step 2: Convert to fraction form
    8,281.21/11,434.59 = 5,302.11/x
  3. Step 3: Cross multiply
    8,281.21x = 11,434.59 × 5,302.11
  4. Step 4: Simplify right side
    8,281.21x = 60,627,447.46
  5. Step 5: Solve for x
    x = 60,627,447.46/8,281.21
  6. Step 6: Final answer
    x = 7,321.08

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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.