Home / 8,389.47-11,576.77-4,612.53

Finding the Fourth Proportional to 8,389.47, 11,576.77 and 4,612.53

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Solution

The fourth proportional to 8,389.47, 11,576.77 and 4,612.53 is: 6,364.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.47 : 11,576.77 = 4,612.53 : x
  2. Step 2: Convert to fraction form
    8,389.47/11,576.77 = 4,612.53/x
  3. Step 3: Cross multiply
    8,389.47x = 11,576.77 × 4,612.53
  4. Step 4: Simplify right side
    8,389.47x = 53,398,198.93
  5. Step 5: Solve for x
    x = 53,398,198.93/8,389.47
  6. Step 6: Final answer
    x = 6,364.91

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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.