Home / 5,527.08-7,621.12-4,113.28

Finding the Fourth Proportional to 5,527.08, 7,621.12 and 4,113.28

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Solution

The fourth proportional to 5,527.08, 7,621.12 and 4,113.28 is: 5,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.08 : 7,621.12 = 4,113.28 : x
  2. Step 2: Convert to fraction form
    5,527.08/7,621.12 = 4,113.28/x
  3. Step 3: Cross multiply
    5,527.08x = 7,621.12 × 4,113.28
  4. Step 4: Simplify right side
    5,527.08x = 31,347,800.47
  5. Step 5: Solve for x
    x = 31,347,800.47/5,527.08
  6. Step 6: Final answer
    x = 5,671.67

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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.