Home / 7,218.02-9,967.74-6,824.91

Finding the Fourth Proportional to 7,218.02, 9,967.74 and 6,824.91

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Solution

The fourth proportional to 7,218.02, 9,967.74 and 6,824.91 is: 9,424.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.02 : 9,967.74 = 6,824.91 : x
  2. Step 2: Convert to fraction form
    7,218.02/9,967.74 = 6,824.91/x
  3. Step 3: Cross multiply
    7,218.02x = 9,967.74 × 6,824.91
  4. Step 4: Simplify right side
    7,218.02x = 68,028,928.40
  5. Step 5: Solve for x
    x = 68,028,928.40/7,218.02
  6. Step 6: Final answer
    x = 9,424.88

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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.