Home / 5,353.31-7,419.08-5,271.30

Finding the Fourth Proportional to 5,353.31, 7,419.08 and 5,271.30

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Solution

The fourth proportional to 5,353.31, 7,419.08 and 5,271.30 is: 7,305.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.31 : 7,419.08 = 5,271.30 : x
  2. Step 2: Convert to fraction form
    5,353.31/7,419.08 = 5,271.30/x
  3. Step 3: Cross multiply
    5,353.31x = 7,419.08 × 5,271.30
  4. Step 4: Simplify right side
    5,353.31x = 39,108,209.58
  5. Step 5: Solve for x
    x = 39,108,209.58/5,353.31
  6. Step 6: Final answer
    x = 7,305.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.