Home / 7,762.20-10,711.88-4,225.44

Finding the Fourth Proportional to 7,762.20, 10,711.88 and 4,225.44

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Solution

The fourth proportional to 7,762.20, 10,711.88 and 4,225.44 is: 5,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.20 : 10,711.88 = 4,225.44 : x
  2. Step 2: Convert to fraction form
    7,762.20/10,711.88 = 4,225.44/x
  3. Step 3: Cross multiply
    7,762.20x = 10,711.88 × 4,225.44
  4. Step 4: Simplify right side
    7,762.20x = 45,262,406.23
  5. Step 5: Solve for x
    x = 45,262,406.23/7,762.20
  6. Step 6: Final answer
    x = 5,831.13

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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.