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Finding the Fourth Proportional to 6,435.55, 8,881.02 and 3,602.91

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Solution

The fourth proportional to 6,435.55, 8,881.02 and 3,602.91 is: 4,971.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.55 : 8,881.02 = 3,602.91 : x
  2. Step 2: Convert to fraction form
    6,435.55/8,881.02 = 3,602.91/x
  3. Step 3: Cross multiply
    6,435.55x = 8,881.02 × 3,602.91
  4. Step 4: Simplify right side
    6,435.55x = 31,997,502.26
  5. Step 5: Solve for x
    x = 31,997,502.26/6,435.55
  6. Step 6: Final answer
    x = 4,971.99

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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.