Home / 3,513.40-4,870.69-3,326.13

Finding the Fourth Proportional to 3,513.40, 4,870.69 and 3,326.13

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Solution

The fourth proportional to 3,513.40, 4,870.69 and 3,326.13 is: 4,611.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.40 : 4,870.69 = 3,326.13 : x
  2. Step 2: Convert to fraction form
    3,513.40/4,870.69 = 3,326.13/x
  3. Step 3: Cross multiply
    3,513.40x = 4,870.69 × 3,326.13
  4. Step 4: Simplify right side
    3,513.40x = 16,200,539.81
  5. Step 5: Solve for x
    x = 16,200,539.81/3,513.40
  6. Step 6: Final answer
    x = 4,611.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.