Home / 8,386.08-12,578.98-2,146.04

Finding the Fourth Proportional to 8,386.08, 12,578.98 and 2,146.04

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Solution

The fourth proportional to 8,386.08, 12,578.98 and 2,146.04 is: 3,219.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.08 : 12,578.98 = 2,146.04 : x
  2. Step 2: Convert to fraction form
    8,386.08/12,578.98 = 2,146.04/x
  3. Step 3: Cross multiply
    8,386.08x = 12,578.98 × 2,146.04
  4. Step 4: Simplify right side
    8,386.08x = 26,994,931.34
  5. Step 5: Solve for x
    x = 26,994,931.34/8,386.08
  6. Step 6: Final answer
    x = 3,219.02

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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.