Home / 5,430.60-8,146.44-1,967.04

Finding the Fourth Proportional to 5,430.60, 8,146.44 and 1,967.04

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Solution

The fourth proportional to 5,430.60, 8,146.44 and 1,967.04 is: 2,950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.60 : 8,146.44 = 1,967.04 : x
  2. Step 2: Convert to fraction form
    5,430.60/8,146.44 = 1,967.04/x
  3. Step 3: Cross multiply
    5,430.60x = 8,146.44 × 1,967.04
  4. Step 4: Simplify right side
    5,430.60x = 16,024,373.34
  5. Step 5: Solve for x
    x = 16,024,373.34/5,430.60
  6. Step 6: Final answer
    x = 2,950.76

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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.