Home / 5,730.60-8,587.80-3,532.80

Finding the Fourth Proportional to 5,730.60, 8,587.80 and 3,532.80

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Solution

The fourth proportional to 5,730.60, 8,587.80 and 3,532.80 is: 5,294.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,730.60 : 8,587.80 = 3,532.80 : x
  2. Step 2: Convert to fraction form
    5,730.60/8,587.80 = 3,532.80/x
  3. Step 3: Cross multiply
    5,730.60x = 8,587.80 × 3,532.80
  4. Step 4: Simplify right side
    5,730.60x = 30,338,979.84
  5. Step 5: Solve for x
    x = 30,338,979.84/5,730.60
  6. Step 6: Final answer
    x = 5,294.21

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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.