Home / 8,590.24-12,885.60-3,043.78

Finding the Fourth Proportional to 8,590.24, 12,885.60 and 3,043.78

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Solution

The fourth proportional to 8,590.24, 12,885.60 and 3,043.78 is: 4,565.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.24 : 12,885.60 = 3,043.78 : x
  2. Step 2: Convert to fraction form
    8,590.24/12,885.60 = 3,043.78/x
  3. Step 3: Cross multiply
    8,590.24x = 12,885.60 × 3,043.78
  4. Step 4: Simplify right side
    8,590.24x = 39,220,931.57
  5. Step 5: Solve for x
    x = 39,220,931.57/8,590.24
  6. Step 6: Final answer
    x = 4,565.76

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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.