Home / 7,762.21-10,711.91-4,225.47

Finding the Fourth Proportional to 7,762.21, 10,711.91 and 4,225.47

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Solution

The fourth proportional to 7,762.21, 10,711.91 and 4,225.47 is: 5,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.21 : 10,711.91 = 4,225.47 : x
  2. Step 2: Convert to fraction form
    7,762.21/10,711.91 = 4,225.47/x
  3. Step 3: Cross multiply
    7,762.21x = 10,711.91 × 4,225.47
  4. Step 4: Simplify right side
    7,762.21x = 45,262,854.35
  5. Step 5: Solve for x
    x = 45,262,854.35/7,762.21
  6. Step 6: Final answer
    x = 5,831.18

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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.