Home / 8,710.35-12,020.10-4,731.57

Finding the Fourth Proportional to 8,710.35, 12,020.10 and 4,731.57

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Solution

The fourth proportional to 8,710.35, 12,020.10 and 4,731.57 is: 6,529.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.35 : 12,020.10 = 4,731.57 : x
  2. Step 2: Convert to fraction form
    8,710.35/12,020.10 = 4,731.57/x
  3. Step 3: Cross multiply
    8,710.35x = 12,020.10 × 4,731.57
  4. Step 4: Simplify right side
    8,710.35x = 56,873,944.56
  5. Step 5: Solve for x
    x = 56,873,944.56/8,710.35
  6. Step 6: Final answer
    x = 6,529.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.