Home / 4,877.19-7,277.07-4,765.20

Finding the Fourth Proportional to 4,877.19, 7,277.07 and 4,765.20

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Solution

The fourth proportional to 4,877.19, 7,277.07 and 4,765.20 is: 7,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.19 : 7,277.07 = 4,765.20 : x
  2. Step 2: Convert to fraction form
    4,877.19/7,277.07 = 4,765.20/x
  3. Step 3: Cross multiply
    4,877.19x = 7,277.07 × 4,765.20
  4. Step 4: Simplify right side
    4,877.19x = 34,676,693.96
  5. Step 5: Solve for x
    x = 34,676,693.96/4,877.19
  6. Step 6: Final answer
    x = 7,109.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.