Home / 5,430.94-8,146.50-1,535.44

Finding the Fourth Proportional to 5,430.94, 8,146.50 and 1,535.44

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Solution

The fourth proportional to 5,430.94, 8,146.50 and 1,535.44 is: 2,303.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.94 : 8,146.50 = 1,535.44 : x
  2. Step 2: Convert to fraction form
    5,430.94/8,146.50 = 1,535.44/x
  3. Step 3: Cross multiply
    5,430.94x = 8,146.50 × 1,535.44
  4. Step 4: Simplify right side
    5,430.94x = 12,508,461.96
  5. Step 5: Solve for x
    x = 12,508,461.96/5,430.94
  6. Step 6: Final answer
    x = 2,303.19

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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.