Home / 4,242.54-6,355.53-2,777.25

Finding the Fourth Proportional to 4,242.54, 6,355.53 and 2,777.25

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Solution

The fourth proportional to 4,242.54, 6,355.53 and 2,777.25 is: 4,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.54 : 6,355.53 = 2,777.25 : x
  2. Step 2: Convert to fraction form
    4,242.54/6,355.53 = 2,777.25/x
  3. Step 3: Cross multiply
    4,242.54x = 6,355.53 × 2,777.25
  4. Step 4: Simplify right side
    4,242.54x = 17,650,881.81
  5. Step 5: Solve for x
    x = 17,650,881.81/4,242.54
  6. Step 6: Final answer
    x = 4,160.45

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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.