Home / 8,434.08-11,638.56-4,708.32

Finding the Fourth Proportional to 8,434.08, 11,638.56 and 4,708.32

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Solution

The fourth proportional to 8,434.08, 11,638.56 and 4,708.32 is: 6,497.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.08 : 11,638.56 = 4,708.32 : x
  2. Step 2: Convert to fraction form
    8,434.08/11,638.56 = 4,708.32/x
  3. Step 3: Cross multiply
    8,434.08x = 11,638.56 × 4,708.32
  4. Step 4: Simplify right side
    8,434.08x = 54,798,064.82
  5. Step 5: Solve for x
    x = 54,798,064.82/8,434.08
  6. Step 6: Final answer
    x = 6,497.22

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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.