Home / 6,405.15-9,607.01-1,725.51

Finding the Fourth Proportional to 6,405.15, 9,607.01 and 1,725.51

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Solution

The fourth proportional to 6,405.15, 9,607.01 and 1,725.51 is: 2,588.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.15 : 9,607.01 = 1,725.51 : x
  2. Step 2: Convert to fraction form
    6,405.15/9,607.01 = 1,725.51/x
  3. Step 3: Cross multiply
    6,405.15x = 9,607.01 × 1,725.51
  4. Step 4: Simplify right side
    6,405.15x = 16,576,935.16
  5. Step 5: Solve for x
    x = 16,576,935.16/6,405.15
  6. Step 6: Final answer
    x = 2,588.06

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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.