Home / 7,761.83-10,711.34-4,225.03

Finding the Fourth Proportional to 7,761.83, 10,711.34 and 4,225.03

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Solution

The fourth proportional to 7,761.83, 10,711.34 and 4,225.03 is: 5,830.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761.83 : 10,711.34 = 4,225.03 : x
  2. Step 2: Convert to fraction form
    7,761.83/10,711.34 = 4,225.03/x
  3. Step 3: Cross multiply
    7,761.83x = 10,711.34 × 4,225.03
  4. Step 4: Simplify right side
    7,761.83x = 45,255,700.78
  5. Step 5: Solve for x
    x = 45,255,700.78/7,761.83
  6. Step 6: Final answer
    x = 5,830.55

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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.