Home / 7,422.02-10,262.08-6,487.84

Finding the Fourth Proportional to 7,422.02, 10,262.08 and 6,487.84

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Solution

The fourth proportional to 7,422.02, 10,262.08 and 6,487.84 is: 8,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.02 : 10,262.08 = 6,487.84 : x
  2. Step 2: Convert to fraction form
    7,422.02/10,262.08 = 6,487.84/x
  3. Step 3: Cross multiply
    7,422.02x = 10,262.08 × 6,487.84
  4. Step 4: Simplify right side
    7,422.02x = 66,578,733.11
  5. Step 5: Solve for x
    x = 66,578,733.11/7,422.02
  6. Step 6: Final answer
    x = 8,970.43

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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.