Home / 5,341.88-8,011.52-2,378.72

Finding the Fourth Proportional to 5,341.88, 8,011.52 and 2,378.72

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Solution

The fourth proportional to 5,341.88, 8,011.52 and 2,378.72 is: 3,567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341.88 : 8,011.52 = 2,378.72 : x
  2. Step 2: Convert to fraction form
    5,341.88/8,011.52 = 2,378.72/x
  3. Step 3: Cross multiply
    5,341.88x = 8,011.52 × 2,378.72
  4. Step 4: Simplify right side
    5,341.88x = 19,057,162.85
  5. Step 5: Solve for x
    x = 19,057,162.85/5,341.88
  6. Step 6: Final answer
    x = 3,567.50

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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.