Home / 5,509.20-8,258.40-4,853.10

Finding the Fourth Proportional to 5,509.20, 8,258.40 and 4,853.10

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Solution

The fourth proportional to 5,509.20, 8,258.40 and 4,853.10 is: 7,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.20 : 8,258.40 = 4,853.10 : x
  2. Step 2: Convert to fraction form
    5,509.20/8,258.40 = 4,853.10/x
  3. Step 3: Cross multiply
    5,509.20x = 8,258.40 × 4,853.10
  4. Step 4: Simplify right side
    5,509.20x = 40,078,841.04
  5. Step 5: Solve for x
    x = 40,078,841.04/5,509.20
  6. Step 6: Final answer
    x = 7,274.89

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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.