Home / 7,780.23-10,740.33-4,592.48

Finding the Fourth Proportional to 7,780.23, 10,740.33 and 4,592.48

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Solution

The fourth proportional to 7,780.23, 10,740.33 and 4,592.48 is: 6,339.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.23 : 10,740.33 = 4,592.48 : x
  2. Step 2: Convert to fraction form
    7,780.23/10,740.33 = 4,592.48/x
  3. Step 3: Cross multiply
    7,780.23x = 10,740.33 × 4,592.48
  4. Step 4: Simplify right side
    7,780.23x = 49,324,697.02
  5. Step 5: Solve for x
    x = 49,324,697.02/7,780.23
  6. Step 6: Final answer
    x = 6,339.75

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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.