Home / 8,360.16-12,541.79-4,203.10

Finding the Fourth Proportional to 8,360.16, 12,541.79 and 4,203.10

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Solution

The fourth proportional to 8,360.16, 12,541.79 and 4,203.10 is: 6,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.16 : 12,541.79 = 4,203.10 : x
  2. Step 2: Convert to fraction form
    8,360.16/12,541.79 = 4,203.10/x
  3. Step 3: Cross multiply
    8,360.16x = 12,541.79 × 4,203.10
  4. Step 4: Simplify right side
    8,360.16x = 52,714,397.55
  5. Step 5: Solve for x
    x = 52,714,397.55/8,360.16
  6. Step 6: Final answer
    x = 6,305.43

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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.