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Finding the Fourth Proportional to 4,784.48, 6,602.47 and 2,659.91

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Solution

The fourth proportional to 4,784.48, 6,602.47 and 2,659.91 is: 3,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.48 : 6,602.47 = 2,659.91 : x
  2. Step 2: Convert to fraction form
    4,784.48/6,602.47 = 2,659.91/x
  3. Step 3: Cross multiply
    4,784.48x = 6,602.47 × 2,659.91
  4. Step 4: Simplify right side
    4,784.48x = 17,561,962.68
  5. Step 5: Solve for x
    x = 17,561,962.68/4,784.48
  6. Step 6: Final answer
    x = 3,670.61

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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.