Home / 8,364.72-12,547.55-3,686.92

Finding the Fourth Proportional to 8,364.72, 12,547.55 and 3,686.92

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Solution

The fourth proportional to 8,364.72, 12,547.55 and 3,686.92 is: 5,530.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.72 : 12,547.55 = 3,686.92 : x
  2. Step 2: Convert to fraction form
    8,364.72/12,547.55 = 3,686.92/x
  3. Step 3: Cross multiply
    8,364.72x = 12,547.55 × 3,686.92
  4. Step 4: Simplify right side
    8,364.72x = 46,261,813.05
  5. Step 5: Solve for x
    x = 46,261,813.05/8,364.72
  6. Step 6: Final answer
    x = 5,530.59

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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.