Home / 8,372.08-12,547.50-3,435.94

Finding the Fourth Proportional to 8,372.08, 12,547.50 and 3,435.94

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Solution

The fourth proportional to 8,372.08, 12,547.50 and 3,435.94 is: 5,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.08 : 12,547.50 = 3,435.94 : x
  2. Step 2: Convert to fraction form
    8,372.08/12,547.50 = 3,435.94/x
  3. Step 3: Cross multiply
    8,372.08x = 12,547.50 × 3,435.94
  4. Step 4: Simplify right side
    8,372.08x = 43,112,457.15
  5. Step 5: Solve for x
    x = 43,112,457.15/8,372.08
  6. Step 6: Final answer
    x = 5,149.55

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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.