Home / 7,762.61-10,712.45-4,225.83

Finding the Fourth Proportional to 7,762.61, 10,712.45 and 4,225.83

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Solution

The fourth proportional to 7,762.61, 10,712.45 and 4,225.83 is: 5,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.61 : 10,712.45 = 4,225.83 : x
  2. Step 2: Convert to fraction form
    7,762.61/10,712.45 = 4,225.83/x
  3. Step 3: Cross multiply
    7,762.61x = 10,712.45 × 4,225.83
  4. Step 4: Simplify right side
    7,762.61x = 45,268,971.45
  5. Step 5: Solve for x
    x = 45,268,971.45/7,762.61
  6. Step 6: Final answer
    x = 5,831.67

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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.