Home / 5,538.20-8,307.30-4,501.40

Finding the Fourth Proportional to 5,538.20, 8,307.30 and 4,501.40

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Solution

The fourth proportional to 5,538.20, 8,307.30 and 4,501.40 is: 6,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.20 : 8,307.30 = 4,501.40 : x
  2. Step 2: Convert to fraction form
    5,538.20/8,307.30 = 4,501.40/x
  3. Step 3: Cross multiply
    5,538.20x = 8,307.30 × 4,501.40
  4. Step 4: Simplify right side
    5,538.20x = 37,394,480.22
  5. Step 5: Solve for x
    x = 37,394,480.22/5,538.20
  6. Step 6: Final answer
    x = 6,752.10

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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.