Home / 5,621.07-8,431.40-1,725.38

Finding the Fourth Proportional to 5,621.07, 8,431.40 and 1,725.38

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Solution

The fourth proportional to 5,621.07, 8,431.40 and 1,725.38 is: 2,588.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.07 : 8,431.40 = 1,725.38 : x
  2. Step 2: Convert to fraction form
    5,621.07/8,431.40 = 1,725.38/x
  3. Step 3: Cross multiply
    5,621.07x = 8,431.40 × 1,725.38
  4. Step 4: Simplify right side
    5,621.07x = 14,547,331.09
  5. Step 5: Solve for x
    x = 14,547,331.09/5,621.07
  6. Step 6: Final answer
    x = 2,588.00

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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.