Home / 5,397.44-7,448.35-3,007.40

Finding the Fourth Proportional to 5,397.44, 7,448.35 and 3,007.40

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Solution

The fourth proportional to 5,397.44, 7,448.35 and 3,007.40 is: 4,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.44 : 7,448.35 = 3,007.40 : x
  2. Step 2: Convert to fraction form
    5,397.44/7,448.35 = 3,007.40/x
  3. Step 3: Cross multiply
    5,397.44x = 7,448.35 × 3,007.40
  4. Step 4: Simplify right side
    5,397.44x = 22,400,178.89
  5. Step 5: Solve for x
    x = 22,400,178.89/5,397.44
  6. Step 6: Final answer
    x = 4,150.15

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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.