Home / 5,173.18-7,760.58-1,886.20

Finding the Fourth Proportional to 5,173.18, 7,760.58 and 1,886.20

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Solution

The fourth proportional to 5,173.18, 7,760.58 and 1,886.20 is: 2,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.18 : 7,760.58 = 1,886.20 : x
  2. Step 2: Convert to fraction form
    5,173.18/7,760.58 = 1,886.20/x
  3. Step 3: Cross multiply
    5,173.18x = 7,760.58 × 1,886.20
  4. Step 4: Simplify right side
    5,173.18x = 14,638,006.00
  5. Step 5: Solve for x
    x = 14,638,006.00/5,173.18
  6. Step 6: Final answer
    x = 2,829.60

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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.