Home / 7,890.62-10,889.18-4,353.83

Finding the Fourth Proportional to 7,890.62, 10,889.18 and 4,353.83

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Solution

The fourth proportional to 7,890.62, 10,889.18 and 4,353.83 is: 6,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.62 : 10,889.18 = 4,353.83 : x
  2. Step 2: Convert to fraction form
    7,890.62/10,889.18 = 4,353.83/x
  3. Step 3: Cross multiply
    7,890.62x = 10,889.18 × 4,353.83
  4. Step 4: Simplify right side
    7,890.62x = 47,409,638.56
  5. Step 5: Solve for x
    x = 47,409,638.56/7,890.62
  6. Step 6: Final answer
    x = 6,008.35

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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.