Home / 8,445.10-11,640.26-6,345.58

Finding the Fourth Proportional to 8,445.10, 11,640.26 and 6,345.58

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Solution

The fourth proportional to 8,445.10, 11,640.26 and 6,345.58 is: 8,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.10 : 11,640.26 = 6,345.58 : x
  2. Step 2: Convert to fraction form
    8,445.10/11,640.26 = 6,345.58/x
  3. Step 3: Cross multiply
    8,445.10x = 11,640.26 × 6,345.58
  4. Step 4: Simplify right side
    8,445.10x = 73,864,201.05
  5. Step 5: Solve for x
    x = 73,864,201.05/8,445.10
  6. Step 6: Final answer
    x = 8,746.40

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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.