Home / 4,956.19-6,840.15-2,860.31

Finding the Fourth Proportional to 4,956.19, 6,840.15 and 2,860.31

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Solution

The fourth proportional to 4,956.19, 6,840.15 and 2,860.31 is: 3,947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,956.19 : 6,840.15 = 2,860.31 : x
  2. Step 2: Convert to fraction form
    4,956.19/6,840.15 = 2,860.31/x
  3. Step 3: Cross multiply
    4,956.19x = 6,840.15 × 2,860.31
  4. Step 4: Simplify right side
    4,956.19x = 19,564,955.82
  5. Step 5: Solve for x
    x = 19,564,955.82/4,956.19
  6. Step 6: Final answer
    x = 3,947.58

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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.