Home / 5,437.81-8,156.40-1,542.07

Finding the Fourth Proportional to 5,437.81, 8,156.40 and 1,542.07

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Solution

The fourth proportional to 5,437.81, 8,156.40 and 1,542.07 is: 2,313.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.81 : 8,156.40 = 1,542.07 : x
  2. Step 2: Convert to fraction form
    5,437.81/8,156.40 = 1,542.07/x
  3. Step 3: Cross multiply
    5,437.81x = 8,156.40 × 1,542.07
  4. Step 4: Simplify right side
    5,437.81x = 12,577,739.75
  5. Step 5: Solve for x
    x = 12,577,739.75/5,437.81
  6. Step 6: Final answer
    x = 2,313.02

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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.