Home / 5,384.42-7,431.37-4,499.90

Finding the Fourth Proportional to 5,384.42, 7,431.37 and 4,499.90

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Solution

The fourth proportional to 5,384.42, 7,431.37 and 4,499.90 is: 6,210.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.42 : 7,431.37 = 4,499.90 : x
  2. Step 2: Convert to fraction form
    5,384.42/7,431.37 = 4,499.90/x
  3. Step 3: Cross multiply
    5,384.42x = 7,431.37 × 4,499.90
  4. Step 4: Simplify right side
    5,384.42x = 33,440,373.46
  5. Step 5: Solve for x
    x = 33,440,373.46/5,384.42
  6. Step 6: Final answer
    x = 6,210.59

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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.