Home / 5,390.04-8,063.65-4,282.88

Finding the Fourth Proportional to 5,390.04, 8,063.65 and 4,282.88

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Solution

The fourth proportional to 5,390.04, 8,063.65 and 4,282.88 is: 6,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.04 : 8,063.65 = 4,282.88 : x
  2. Step 2: Convert to fraction form
    5,390.04/8,063.65 = 4,282.88/x
  3. Step 3: Cross multiply
    5,390.04x = 8,063.65 × 4,282.88
  4. Step 4: Simplify right side
    5,390.04x = 34,535,610.35
  5. Step 5: Solve for x
    x = 34,535,610.35/5,390.04
  6. Step 6: Final answer
    x = 6,407.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.