Home / 6,386.10-8,813.16-3,735.06

Finding the Fourth Proportional to 6,386.10, 8,813.16 and 3,735.06

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Solution

The fourth proportional to 6,386.10, 8,813.16 and 3,735.06 is: 5,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.10 : 8,813.16 = 3,735.06 : x
  2. Step 2: Convert to fraction form
    6,386.10/8,813.16 = 3,735.06/x
  3. Step 3: Cross multiply
    6,386.10x = 8,813.16 × 3,735.06
  4. Step 4: Simplify right side
    6,386.10x = 32,917,681.39
  5. Step 5: Solve for x
    x = 32,917,681.39/6,386.10
  6. Step 6: Final answer
    x = 5,154.58

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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.