Home / 8,710.54-12,020.40-4,731.72

Finding the Fourth Proportional to 8,710.54, 12,020.40 and 4,731.72

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Solution

The fourth proportional to 8,710.54, 12,020.40 and 4,731.72 is: 6,529.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.54 : 12,020.40 = 4,731.72 : x
  2. Step 2: Convert to fraction form
    8,710.54/12,020.40 = 4,731.72/x
  3. Step 3: Cross multiply
    8,710.54x = 12,020.40 × 4,731.72
  4. Step 4: Simplify right side
    8,710.54x = 56,877,122.01
  5. Step 5: Solve for x
    x = 56,877,122.01/8,710.54
  6. Step 6: Final answer
    x = 6,529.69

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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.