Home / 4,878.01-7,317.20-2,280.25

Finding the Fourth Proportional to 4,878.01, 7,317.20 and 2,280.25

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Solution

The fourth proportional to 4,878.01, 7,317.20 and 2,280.25 is: 3,420.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.01 : 7,317.20 = 2,280.25 : x
  2. Step 2: Convert to fraction form
    4,878.01/7,317.20 = 2,280.25/x
  3. Step 3: Cross multiply
    4,878.01x = 7,317.20 × 2,280.25
  4. Step 4: Simplify right side
    4,878.01x = 16,685,045.30
  5. Step 5: Solve for x
    x = 16,685,045.30/4,878.01
  6. Step 6: Final answer
    x = 3,420.46

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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.