Home / 5,390.55-7,437.22-3,265.40

Finding the Fourth Proportional to 5,390.55, 7,437.22 and 3,265.40

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Solution

The fourth proportional to 5,390.55, 7,437.22 and 3,265.40 is: 4,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.55 : 7,437.22 = 3,265.40 : x
  2. Step 2: Convert to fraction form
    5,390.55/7,437.22 = 3,265.40/x
  3. Step 3: Cross multiply
    5,390.55x = 7,437.22 × 3,265.40
  4. Step 4: Simplify right side
    5,390.55x = 24,285,498.19
  5. Step 5: Solve for x
    x = 24,285,498.19/5,390.55
  6. Step 6: Final answer
    x = 4,505.20

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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.