Home / 4,869.49-6,720.47-2,773.93

Finding the Fourth Proportional to 4,869.49, 6,720.47 and 2,773.93

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Solution

The fourth proportional to 4,869.49, 6,720.47 and 2,773.93 is: 3,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.49 : 6,720.47 = 2,773.93 : x
  2. Step 2: Convert to fraction form
    4,869.49/6,720.47 = 2,773.93/x
  3. Step 3: Cross multiply
    4,869.49x = 6,720.47 × 2,773.93
  4. Step 4: Simplify right side
    4,869.49x = 18,642,113.35
  5. Step 5: Solve for x
    x = 18,642,113.35/4,869.49
  6. Step 6: Final answer
    x = 3,828.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.