Home / 8,386.06-12,580.90-2,543.11

Finding the Fourth Proportional to 8,386.06, 12,580.90 and 2,543.11

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Solution

The fourth proportional to 8,386.06, 12,580.90 and 2,543.11 is: 3,815.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.06 : 12,580.90 = 2,543.11 : x
  2. Step 2: Convert to fraction form
    8,386.06/12,580.90 = 2,543.11/x
  3. Step 3: Cross multiply
    8,386.06x = 12,580.90 × 2,543.11
  4. Step 4: Simplify right side
    8,386.06x = 31,994,549.69
  5. Step 5: Solve for x
    x = 31,994,549.69/8,386.06
  6. Step 6: Final answer
    x = 3,815.21

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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.