Home / 5,560.40-8,340.60-4,685.60

Finding the Fourth Proportional to 5,560.40, 8,340.60 and 4,685.60

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Solution

The fourth proportional to 5,560.40, 8,340.60 and 4,685.60 is: 7,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560.40 : 8,340.60 = 4,685.60 : x
  2. Step 2: Convert to fraction form
    5,560.40/8,340.60 = 4,685.60/x
  3. Step 3: Cross multiply
    5,560.40x = 8,340.60 × 4,685.60
  4. Step 4: Simplify right side
    5,560.40x = 39,080,715.36
  5. Step 5: Solve for x
    x = 39,080,715.36/5,560.40
  6. Step 6: Final answer
    x = 7,028.40

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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.