Home / 4,977.93-6,869.40-2,853.39

Finding the Fourth Proportional to 4,977.93, 6,869.40 and 2,853.39

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Solution

The fourth proportional to 4,977.93, 6,869.40 and 2,853.39 is: 3,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.93 : 6,869.40 = 2,853.39 : x
  2. Step 2: Convert to fraction form
    4,977.93/6,869.40 = 2,853.39/x
  3. Step 3: Cross multiply
    4,977.93x = 6,869.40 × 2,853.39
  4. Step 4: Simplify right side
    4,977.93x = 19,601,077.27
  5. Step 5: Solve for x
    x = 19,601,077.27/4,977.93
  6. Step 6: Final answer
    x = 3,937.60

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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.