Home / 7,038.43-10,559.14-2,655.86

Finding the Fourth Proportional to 7,038.43, 10,559.14 and 2,655.86

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Solution

The fourth proportional to 7,038.43, 10,559.14 and 2,655.86 is: 3,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.43 : 10,559.14 = 2,655.86 : x
  2. Step 2: Convert to fraction form
    7,038.43/10,559.14 = 2,655.86/x
  3. Step 3: Cross multiply
    7,038.43x = 10,559.14 × 2,655.86
  4. Step 4: Simplify right side
    7,038.43x = 28,043,538.13
  5. Step 5: Solve for x
    x = 28,043,538.13/7,038.43
  6. Step 6: Final answer
    x = 3,984.35

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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.