Home / 8,429.04-12,645.72-2,585.70

Finding the Fourth Proportional to 8,429.04, 12,645.72 and 2,585.70

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Solution

The fourth proportional to 8,429.04, 12,645.72 and 2,585.70 is: 3,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.04 : 12,645.72 = 2,585.70 : x
  2. Step 2: Convert to fraction form
    8,429.04/12,645.72 = 2,585.70/x
  3. Step 3: Cross multiply
    8,429.04x = 12,645.72 × 2,585.70
  4. Step 4: Simplify right side
    8,429.04x = 32,698,038.20
  5. Step 5: Solve for x
    x = 32,698,038.20/8,429.04
  6. Step 6: Final answer
    x = 3,879.21

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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.