Home / 4,847.90-7,271.85-4,310.30

Finding the Fourth Proportional to 4,847.90, 7,271.85 and 4,310.30

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Solution

The fourth proportional to 4,847.90, 7,271.85 and 4,310.30 is: 6,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.90 : 7,271.85 = 4,310.30 : x
  2. Step 2: Convert to fraction form
    4,847.90/7,271.85 = 4,310.30/x
  3. Step 3: Cross multiply
    4,847.90x = 7,271.85 × 4,310.30
  4. Step 4: Simplify right side
    4,847.90x = 31,343,855.06
  5. Step 5: Solve for x
    x = 31,343,855.06/4,847.90
  6. Step 6: Final answer
    x = 6,465.45

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Similar ratio
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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.