Home / 8,759.74-13,126.11-4,312.30

Finding the Fourth Proportional to 8,759.74, 13,126.11 and 4,312.30

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Solution

The fourth proportional to 8,759.74, 13,126.11 and 4,312.30 is: 6,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.74 : 13,126.11 = 4,312.30 : x
  2. Step 2: Convert to fraction form
    8,759.74/13,126.11 = 4,312.30/x
  3. Step 3: Cross multiply
    8,759.74x = 13,126.11 × 4,312.30
  4. Step 4: Simplify right side
    8,759.74x = 56,603,724.15
  5. Step 5: Solve for x
    x = 56,603,724.15/8,759.74
  6. Step 6: Final answer
    x = 6,461.80

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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.