Home / 7,119.86-9,825.95-4,095.91

Finding the Fourth Proportional to 7,119.86, 9,825.95 and 4,095.91

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Solution

The fourth proportional to 7,119.86, 9,825.95 and 4,095.91 is: 5,652.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.86 : 9,825.95 = 4,095.91 : x
  2. Step 2: Convert to fraction form
    7,119.86/9,825.95 = 4,095.91/x
  3. Step 3: Cross multiply
    7,119.86x = 9,825.95 × 4,095.91
  4. Step 4: Simplify right side
    7,119.86x = 40,246,190.23
  5. Step 5: Solve for x
    x = 40,246,190.23/7,119.86
  6. Step 6: Final answer
    x = 5,652.67

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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.