Home / 7,898.88-10,901.28-4,542.72

Finding the Fourth Proportional to 7,898.88, 10,901.28 and 4,542.72

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Solution

The fourth proportional to 7,898.88, 10,901.28 and 4,542.72 is: 6,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.88 : 10,901.28 = 4,542.72 : x
  2. Step 2: Convert to fraction form
    7,898.88/10,901.28 = 4,542.72/x
  3. Step 3: Cross multiply
    7,898.88x = 10,901.28 × 4,542.72
  4. Step 4: Simplify right side
    7,898.88x = 49,521,462.68
  5. Step 5: Solve for x
    x = 49,521,462.68/7,898.88
  6. Step 6: Final answer
    x = 6,269.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.