Home / 5,320.47-7,342.21-2,962.56

Finding the Fourth Proportional to 5,320.47, 7,342.21 and 2,962.56

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Solution

The fourth proportional to 5,320.47, 7,342.21 and 2,962.56 is: 4,088.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.47 : 7,342.21 = 2,962.56 : x
  2. Step 2: Convert to fraction form
    5,320.47/7,342.21 = 2,962.56/x
  3. Step 3: Cross multiply
    5,320.47x = 7,342.21 × 2,962.56
  4. Step 4: Simplify right side
    5,320.47x = 21,751,737.66
  5. Step 5: Solve for x
    x = 21,751,737.66/5,320.47
  6. Step 6: Final answer
    x = 4,088.31

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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.