Home / 8,601.30-12,911.55-4,703.70

Finding the Fourth Proportional to 8,601.30, 12,911.55 and 4,703.70

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Solution

The fourth proportional to 8,601.30, 12,911.55 and 4,703.70 is: 7,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.30 : 12,911.55 = 4,703.70 : x
  2. Step 2: Convert to fraction form
    8,601.30/12,911.55 = 4,703.70/x
  3. Step 3: Cross multiply
    8,601.30x = 12,911.55 × 4,703.70
  4. Step 4: Simplify right side
    8,601.30x = 60,732,057.74
  5. Step 5: Solve for x
    x = 60,732,057.74/8,601.30
  6. Step 6: Final answer
    x = 7,060.80

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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.