Home / 8,731.73-13,097.60-2,888.35

Finding the Fourth Proportional to 8,731.73, 13,097.60 and 2,888.35

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Solution

The fourth proportional to 8,731.73, 13,097.60 and 2,888.35 is: 4,332.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.73 : 13,097.60 = 2,888.35 : x
  2. Step 2: Convert to fraction form
    8,731.73/13,097.60 = 2,888.35/x
  3. Step 3: Cross multiply
    8,731.73x = 13,097.60 × 2,888.35
  4. Step 4: Simplify right side
    8,731.73x = 37,830,416.61
  5. Step 5: Solve for x
    x = 37,830,416.61/8,731.73
  6. Step 6: Final answer
    x = 4,332.52

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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.