Home / 5,430.10-8,145.60-1,732.27

Finding the Fourth Proportional to 5,430.10, 8,145.60 and 1,732.27

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Solution

The fourth proportional to 5,430.10, 8,145.60 and 1,732.27 is: 2,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.10 : 8,145.60 = 1,732.27 : x
  2. Step 2: Convert to fraction form
    5,430.10/8,145.60 = 1,732.27/x
  3. Step 3: Cross multiply
    5,430.10x = 8,145.60 × 1,732.27
  4. Step 4: Simplify right side
    5,430.10x = 14,110,378.51
  5. Step 5: Solve for x
    x = 14,110,378.51/5,430.10
  6. Step 6: Final answer
    x = 2,598.55

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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.