Home / 8,760.74-12,090.05-4,782.22

Finding the Fourth Proportional to 8,760.74, 12,090.05 and 4,782.22

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Solution

The fourth proportional to 8,760.74, 12,090.05 and 4,782.22 is: 6,599.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.74 : 12,090.05 = 4,782.22 : x
  2. Step 2: Convert to fraction form
    8,760.74/12,090.05 = 4,782.22/x
  3. Step 3: Cross multiply
    8,760.74x = 12,090.05 × 4,782.22
  4. Step 4: Simplify right side
    8,760.74x = 57,817,278.91
  5. Step 5: Solve for x
    x = 57,817,278.91/8,760.74
  6. Step 6: Final answer
    x = 6,599.59

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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.