Home / 6,405.21-9,607.02-1,725.59

Finding the Fourth Proportional to 6,405.21, 9,607.02 and 1,725.59

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Solution

The fourth proportional to 6,405.21, 9,607.02 and 1,725.59 is: 2,588.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.21 : 9,607.02 = 1,725.59 : x
  2. Step 2: Convert to fraction form
    6,405.21/9,607.02 = 1,725.59/x
  3. Step 3: Cross multiply
    6,405.21x = 9,607.02 × 1,725.59
  4. Step 4: Simplify right side
    6,405.21x = 16,577,777.64
  5. Step 5: Solve for x
    x = 16,577,777.64/6,405.21
  6. Step 6: Final answer
    x = 2,588.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.