Home / 7,513.40-10,368.44-4,489.90

Finding the Fourth Proportional to 7,513.40, 10,368.44 and 4,489.90

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Solution

The fourth proportional to 7,513.40, 10,368.44 and 4,489.90 is: 6,196.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.40 : 10,368.44 = 4,489.90 : x
  2. Step 2: Convert to fraction form
    7,513.40/10,368.44 = 4,489.90/x
  3. Step 3: Cross multiply
    7,513.40x = 10,368.44 × 4,489.90
  4. Step 4: Simplify right side
    7,513.40x = 46,553,258.76
  5. Step 5: Solve for x
    x = 46,553,258.76/7,513.40
  6. Step 6: Final answer
    x = 6,196.03

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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.