Home / 5,528.72-8,294.36-1,830.80

Finding the Fourth Proportional to 5,528.72, 8,294.36 and 1,830.80

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Solution

The fourth proportional to 5,528.72, 8,294.36 and 1,830.80 is: 2,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.72 : 8,294.36 = 1,830.80 : x
  2. Step 2: Convert to fraction form
    5,528.72/8,294.36 = 1,830.80/x
  3. Step 3: Cross multiply
    5,528.72x = 8,294.36 × 1,830.80
  4. Step 4: Simplify right side
    5,528.72x = 15,185,314.29
  5. Step 5: Solve for x
    x = 15,185,314.29/5,528.72
  6. Step 6: Final answer
    x = 2,746.62

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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.