Home / 6,403.75-8,837.18-3,459.75

Finding the Fourth Proportional to 6,403.75, 8,837.18 and 3,459.75

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Solution

The fourth proportional to 6,403.75, 8,837.18 and 3,459.75 is: 4,774.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.75 : 8,837.18 = 3,459.75 : x
  2. Step 2: Convert to fraction form
    6,403.75/8,837.18 = 3,459.75/x
  3. Step 3: Cross multiply
    6,403.75x = 8,837.18 × 3,459.75
  4. Step 4: Simplify right side
    6,403.75x = 30,574,433.51
  5. Step 5: Solve for x
    x = 30,574,433.51/6,403.75
  6. Step 6: Final answer
    x = 4,774.46

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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.