Home / 6,431.61-8,875.37-3,637.17

Finding the Fourth Proportional to 6,431.61, 8,875.37 and 3,637.17

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Solution

The fourth proportional to 6,431.61, 8,875.37 and 3,637.17 is: 5,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.61 : 8,875.37 = 3,637.17 : x
  2. Step 2: Convert to fraction form
    6,431.61/8,875.37 = 3,637.17/x
  3. Step 3: Cross multiply
    6,431.61x = 8,875.37 × 3,637.17
  4. Step 4: Simplify right side
    6,431.61x = 32,281,194.22
  5. Step 5: Solve for x
    x = 32,281,194.22/6,431.61
  6. Step 6: Final answer
    x = 5,019.15

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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.