Home / 4,840.81-7,261.26-1,720.87

Finding the Fourth Proportional to 4,840.81, 7,261.26 and 1,720.87

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Solution

The fourth proportional to 4,840.81, 7,261.26 and 1,720.87 is: 2,581.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.81 : 7,261.26 = 1,720.87 : x
  2. Step 2: Convert to fraction form
    4,840.81/7,261.26 = 1,720.87/x
  3. Step 3: Cross multiply
    4,840.81x = 7,261.26 × 1,720.87
  4. Step 4: Simplify right side
    4,840.81x = 12,495,684.50
  5. Step 5: Solve for x
    x = 12,495,684.50/4,840.81
  6. Step 6: Final answer
    x = 2,581.32

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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.