Home / 7,962.52-10,964.64-5,720.44

Finding the Fourth Proportional to 7,962.52, 10,964.64 and 5,720.44

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Solution

The fourth proportional to 7,962.52, 10,964.64 and 5,720.44 is: 7,877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.52 : 10,964.64 = 5,720.44 : x
  2. Step 2: Convert to fraction form
    7,962.52/10,964.64 = 5,720.44/x
  3. Step 3: Cross multiply
    7,962.52x = 10,964.64 × 5,720.44
  4. Step 4: Simplify right side
    7,962.52x = 62,722,565.24
  5. Step 5: Solve for x
    x = 62,722,565.24/7,962.52
  6. Step 6: Final answer
    x = 7,877.23

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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.