Home / 5,476.40-8,214.60-4,763.60

Finding the Fourth Proportional to 5,476.40, 8,214.60 and 4,763.60

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Solution

The fourth proportional to 5,476.40, 8,214.60 and 4,763.60 is: 7,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.40 : 8,214.60 = 4,763.60 : x
  2. Step 2: Convert to fraction form
    5,476.40/8,214.60 = 4,763.60/x
  3. Step 3: Cross multiply
    5,476.40x = 8,214.60 × 4,763.60
  4. Step 4: Simplify right side
    5,476.40x = 39,131,068.56
  5. Step 5: Solve for x
    x = 39,131,068.56/5,476.40
  6. Step 6: Final answer
    x = 7,145.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.