Home / 8,710.43-12,020.40-4,731.48

Finding the Fourth Proportional to 8,710.43, 12,020.40 and 4,731.48

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Solution

The fourth proportional to 8,710.43, 12,020.40 and 4,731.48 is: 6,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.43 : 12,020.40 = 4,731.48 : x
  2. Step 2: Convert to fraction form
    8,710.43/12,020.40 = 4,731.48/x
  3. Step 3: Cross multiply
    8,710.43x = 12,020.40 × 4,731.48
  4. Step 4: Simplify right side
    8,710.43x = 56,874,282.19
  5. Step 5: Solve for x
    x = 56,874,282.19/8,710.43
  6. Step 6: Final answer
    x = 6,529.45

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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.