Home / 5,440.16-7,504.08-4,743.20

Finding the Fourth Proportional to 5,440.16, 7,504.08 and 4,743.20

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Solution

The fourth proportional to 5,440.16, 7,504.08 and 4,743.20 is: 6,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.16 : 7,504.08 = 4,743.20 : x
  2. Step 2: Convert to fraction form
    5,440.16/7,504.08 = 4,743.20/x
  3. Step 3: Cross multiply
    5,440.16x = 7,504.08 × 4,743.20
  4. Step 4: Simplify right side
    5,440.16x = 35,593,352.26
  5. Step 5: Solve for x
    x = 35,593,352.26/5,440.16
  6. Step 6: Final answer
    x = 6,542.70

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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.