Home / 5,488.90-8,233.35-4,395.40

Finding the Fourth Proportional to 5,488.90, 8,233.35 and 4,395.40

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Solution

The fourth proportional to 5,488.90, 8,233.35 and 4,395.40 is: 6,593.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.90 : 8,233.35 = 4,395.40 : x
  2. Step 2: Convert to fraction form
    5,488.90/8,233.35 = 4,395.40/x
  3. Step 3: Cross multiply
    5,488.90x = 8,233.35 × 4,395.40
  4. Step 4: Simplify right side
    5,488.90x = 36,188,866.59
  5. Step 5: Solve for x
    x = 36,188,866.59/5,488.90
  6. Step 6: Final answer
    x = 6,593.10

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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.