Home / 8,360.31-12,547.39-4,201.51

Finding the Fourth Proportional to 8,360.31, 12,547.39 and 4,201.51

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Solution

The fourth proportional to 8,360.31, 12,547.39 and 4,201.51 is: 6,305.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.31 : 12,547.39 = 4,201.51 : x
  2. Step 2: Convert to fraction form
    8,360.31/12,547.39 = 4,201.51/x
  3. Step 3: Cross multiply
    8,360.31x = 12,547.39 × 4,201.51
  4. Step 4: Simplify right side
    8,360.31x = 52,717,984.56
  5. Step 5: Solve for x
    x = 52,717,984.56/8,360.31
  6. Step 6: Final answer
    x = 6,305.75

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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.