Home / 5,603.20-8,388.16-4,148.80

Finding the Fourth Proportional to 5,603.20, 8,388.16 and 4,148.80

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Solution

The fourth proportional to 5,603.20, 8,388.16 and 4,148.80 is: 6,210.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.20 : 8,388.16 = 4,148.80 : x
  2. Step 2: Convert to fraction form
    5,603.20/8,388.16 = 4,148.80/x
  3. Step 3: Cross multiply
    5,603.20x = 8,388.16 × 4,148.80
  4. Step 4: Simplify right side
    5,603.20x = 34,800,798.21
  5. Step 5: Solve for x
    x = 34,800,798.21/5,603.20
  6. Step 6: Final answer
    x = 6,210.88

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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.