Home / 8,714.08-13,069.77-2,870.74

Finding the Fourth Proportional to 8,714.08, 13,069.77 and 2,870.74

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Solution

The fourth proportional to 8,714.08, 13,069.77 and 2,870.74 is: 4,305.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.08 : 13,069.77 = 2,870.74 : x
  2. Step 2: Convert to fraction form
    8,714.08/13,069.77 = 2,870.74/x
  3. Step 3: Cross multiply
    8,714.08x = 13,069.77 × 2,870.74
  4. Step 4: Simplify right side
    8,714.08x = 37,519,911.53
  5. Step 5: Solve for x
    x = 37,519,911.53/8,714.08
  6. Step 6: Final answer
    x = 4,305.67

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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.