Home / 8,761.16-12,090.48-4,782.31

Finding the Fourth Proportional to 8,761.16, 12,090.48 and 4,782.31

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Solution

The fourth proportional to 8,761.16, 12,090.48 and 4,782.31 is: 6,599.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.16 : 12,090.48 = 4,782.31 : x
  2. Step 2: Convert to fraction form
    8,761.16/12,090.48 = 4,782.31/x
  3. Step 3: Cross multiply
    8,761.16x = 12,090.48 × 4,782.31
  4. Step 4: Simplify right side
    8,761.16x = 57,820,423.41
  5. Step 5: Solve for x
    x = 57,820,423.41/8,761.16
  6. Step 6: Final answer
    x = 6,599.63

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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.