Home / 7,800.90-10,767.11-4,444.54

Finding the Fourth Proportional to 7,800.90, 10,767.11 and 4,444.54

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Solution

The fourth proportional to 7,800.90, 10,767.11 and 4,444.54 is: 6,134.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.90 : 10,767.11 = 4,444.54 : x
  2. Step 2: Convert to fraction form
    7,800.90/10,767.11 = 4,444.54/x
  3. Step 3: Cross multiply
    7,800.90x = 10,767.11 × 4,444.54
  4. Step 4: Simplify right side
    7,800.90x = 47,854,835.27
  5. Step 5: Solve for x
    x = 47,854,835.27/7,800.90
  6. Step 6: Final answer
    x = 6,134.53

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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.