Home / 8,731.58-12,041.21-5,866.79

Finding the Fourth Proportional to 8,731.58, 12,041.21 and 5,866.79

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Solution

The fourth proportional to 8,731.58, 12,041.21 and 5,866.79 is: 8,090.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.58 : 12,041.21 = 5,866.79 : x
  2. Step 2: Convert to fraction form
    8,731.58/12,041.21 = 5,866.79/x
  3. Step 3: Cross multiply
    8,731.58x = 12,041.21 × 5,866.79
  4. Step 4: Simplify right side
    8,731.58x = 70,643,205.74
  5. Step 5: Solve for x
    x = 70,643,205.74/8,731.58
  6. Step 6: Final answer
    x = 8,090.54

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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.